--- title: "CVE-2022-48726\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2022-48726?format=md keywords: index, follow --- # CVE-2022-48726 Publication date 20 June 2024 Last updated 4 July 2026 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **7.8 · High** [Score breakdown](https://ubuntu.com/security/CVE-2022-48726?format=md#impact-score) Toggle side navigation ## Description In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in ucma\_cleanup\_multicast drivers/infiniband/core/ucma.c:491 [inline] BUG: KASAN: use-after-free in ucma\_destroy\_private\_ctx+0x914/0xb70 drivers/infiniband/core/ucma.c:579 Read of size 8 at addr ffff88801bb74b00 by task syz-executor.1/25529 CPU: 0 PID: 25529 Comm: syz-executor.1 Not tainted 5.16.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: \_\_dump\_stack lib/dump\_stack.c:88 [inline] dump\_stack\_lvl+0xcd/0x134 lib/dump\_stack.c:106 print\_address\_description.constprop.0.cold+0x8d/0x320 mm/kasan/report.c:247 \_\_kasan\_report mm/kasan/report.c:433 [inline] kasan\_report.cold+0x83/0xdf mm/kasan/report.c:450 ucma\_cleanup\_multicast drivers/infiniband/core/ucma.c:491 [inline] ucma\_destroy\_private\_ctx+0x914/0xb70 drivers/infiniband/core/ucma.c:579 ucma\_destroy\_id+0x1e6/0x280 drivers/infiniband/core/ucma.c:614 ucma\_write+0x25c/0x350 drivers/infiniband/core/ucma.c:1732 vfs\_write+0x28e/0xae0 fs/read\_write.c:588 ksys\_write+0x1ee/0x250 fs/read\_write.c:643 do\_syscall\_x64 arch/x86/entry/common.c:50 [inline] do\_syscall\_64+0x35/0xb0 arch/x86/entry/common.c:80 entry\_SYSCALL\_64\_after\_hwframe+0x44/0xae Currently the xarray search can touch a concurrently freeing mc as the xa\_for\_each() is not surrounded by any lock. Rather than hold the lock for a full scan hold it only for the effected items, which is usually an empty list. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | linux | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-allwinner-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored end of kernel support | | 20.04 LTS focal | Not in release | | linux-aws | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-aws-5.0 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-aws-5.3 | | linux-aws-5.11 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.13] | | linux-aws-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.15] | | linux-aws-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-aws-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-aws-6.2 | | 20.04 LTS focal | Not in release | | linux-aws-5.3 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-aws-5.4 | | linux-aws-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-aws-5.8 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-aws-5.11] | | linux-aws-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-aws-6.5 | | 20.04 LTS focal | Not in release | | linux-aws-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-aws-fips | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy FIPS Updates | Not affected | | 20.04 LTS focal FIPS | Not affected | | 18.04 LTS bionic FIPS | Not affected | | linux-aws-hwe | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 16.04 LTS xenial | Not affected | | linux-azure | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Ignored superseded by linux-azure-5.3 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-azure-4.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-azure-5.11 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.13] | | linux-azure-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.15] | | linux-azure-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-azure-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-azure-6.2 | | 20.04 LTS focal | Not in release | | linux-azure-5.3 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-azure-5.4 | | linux-azure-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-azure-5.8 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-5.11] | | linux-azure-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-azure-6.5 | | 20.04 LTS focal | Not in release | | linux-azure-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-azure-edge | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-azure-5.3 | | linux-azure-fde | 24.04 LTS noble | Not affected | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-fde-5.15] | | linux-azure-fde-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-azure-fde-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-azure-fde-6.2 | | 20.04 LTS focal | Not in release | | linux-azure-fde-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored replaced by linux-azure-6.5 | | 20.04 LTS focal | Not in release | | linux-azure-fips | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy FIPS Updates | Not affected | | 20.04 LTS focal FIPS | Not affected | | 18.04 LTS bionic FIPS | Not affected | | linux-bluefield | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-fips | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy FIPS Updates | Not affected | | 20.04 LTS focal FIPS | Not affected | | 18.04 LTS bionic FIPS | Not affected | | 16.04 LTS xenial FIPS | Not affected | | linux-gcp | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Ignored superseded by linux-gcp-5.3 | | 16.04 LTS xenial | Not affected | | linux-gcp-4.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-gcp-5.11 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.13] | | linux-gcp-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.15] | | linux-gcp-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-gcp-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-gcp-6.2 | | 20.04 LTS focal | Not in release | | linux-gcp-5.3 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-gcp-5.4 | | linux-gcp-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-gcp-5.8 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-gcp-5.11] | | linux-gcp-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-gcp-6.5 | | 20.04 LTS focal | Not in release | | linux-gcp-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-gcp-fips | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy FIPS Updates | Not affected | | 20.04 LTS focal FIPS | Not affected | | 18.04 LTS bionic FIPS | Not affected | | linux-gke | 24.04 LTS noble | Not affected | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Ignored end of kernel support | | linux-gke-4.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-gke-5.0 | | linux-gke-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of kernel support | | linux-gke-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored end of kernel support | | linux-gkeop | 24.04 LTS noble | Not affected | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | linux-gkeop-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-gkeop-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored end of kernel support | | linux-hwe | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored replaced by linux-hwe-5.4 | | 16.04 LTS xenial | Not affected | | linux-hwe-5.11 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.13] | | linux-hwe-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.15] | | linux-hwe-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-hwe-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-hwe-6.2 | | 20.04 LTS focal | Not in release | | linux-hwe-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-hwe-5.8 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-hwe-5.11] | | linux-hwe-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-hwe-6.5 | | 20.04 LTS focal | Not in release | | linux-hwe-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-hwe-6.8 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-hwe-edge | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-hwe-5.4 | | 16.04 LTS xenial | Ignored end of ESM support, was ignored [superseded by linux-hwe] | | linux-ibm | 24.04 LTS noble | Not affected | | 23.10 mantic | Ignored end of kernel support | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | linux-ibm-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-ibm-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-intel | 24.04 LTS noble | Not affected | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-intel-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of kernel support | | linux-intel-iot-realtime | 24.04 LTS noble | Not in release | | 22.04 LTS jammy Real-time | Not affected | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-intel-iotg | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-intel-iotg-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Fixed 5.15.0-1008.11~20.04.1 | | linux-iot | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-kvm | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | linux-laptop | 24.04 LTS noble | Not in release | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | linux-lowlatency | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-lowlatency-hwe-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-lowlatency-hwe-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.2 | | 20.04 LTS focal | Not in release | | linux-lowlatency-hwe-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-lowlatency-hwe-6.5 | | 20.04 LTS focal | Not in release | | linux-lowlatency-hwe-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-lowlatency-hwe-6.8 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-lts-xenial | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 14.04 LTS trusty | Not affected | | linux-nvidia | 24.04 LTS noble | Not affected | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-nvidia-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-nvidia-6.5 | | 20.04 LTS focal | Not in release | | linux-nvidia-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-nvidia-6.8 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-nvidia-lowlatency | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oem | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored replaced by linux-hwe-5.4 | | linux-oem-5.10 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oem-5.13] | | linux-oem-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oem-5.14] | | linux-oem-5.14 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [replaced by linux-hwe-5.15] | | linux-oem-5.17 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 | | 20.04 LTS focal | Not in release | | linux-oem-5.6 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oem-5.10] | | linux-oem-6.0 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-oem-6.1 | | 20.04 LTS focal | Not in release | | linux-oem-6.1 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-oem-6.5 | | 20.04 LTS focal | Not in release | | linux-oem-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-oem-6.8 | 24.04 LTS noble | Not affected | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | linux-oracle | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not affected | | linux-oracle-5.0 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-oracle-5.3 | | linux-oracle-5.11 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.13] | | linux-oracle-5.13 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.15] | | linux-oracle-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-oracle-5.3 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Ignored superseded by linux-oracle-5.4 | | linux-oracle-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-oracle-5.8 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-oracle-5.11] | | linux-oracle-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-raspi | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | linux-raspi-5.4 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | linux-raspi-realtime | 24.04 LTS noble Real-time | Not affected | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-raspi2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [replaced by linux-raspi] | | linux-realtime | 24.04 LTS noble | Not affected | | 22.04 LTS jammy Real-time | Not affected | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-riscv | 24.04 LTS noble | Not affected | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Ignored end of kernel support | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.8] | | linux-riscv-5.11 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.13] | | linux-riscv-5.15 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | linux-riscv-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored end of kernel support | | 20.04 LTS focal | Not in release | | linux-riscv-5.8 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-riscv-5.11] | | linux-riscv-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-riscv-6.8 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-starfive | 24.04 LTS noble | Not in release | | 23.10 mantic | Not affected | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | linux-starfive-5.19 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored end of kernel support | | 20.04 LTS focal | Not in release | | linux-starfive-6.2 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Ignored superseded by linux-starfive-6.5 | | 20.04 LTS focal | Not in release | | linux-starfive-6.5 | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not in release | | linux-xilinx-zynqmp | 24.04 LTS noble | Not in release | | 23.10 mantic | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) * [Patch details](https://ubuntu.com/security/CVE-2022-48726?format=md#patch-details) ### Patch details For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) | Package | Patch details | | --- | --- | | linux | * Introduced by [95fe510](https://git.kernel.org/linus/95fe51096b7adf1d1e7315c49c75e2f75f162584), fixed by [36e8169](https://git.kernel.org/linus/36e8169ec973359f671f9ec7213547059cae972e) | ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 7.8 · High * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Local | | Attack complexity | Low | | Privileges required | Low | | User interaction | None | | Scope | Unchanged | | Confidentiality impact | High | | Integrity impact | High | | Availability impact | High | * Scores | Parameter | Value | | --- | --- | | Base score | 7.8 · High | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48726) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-48726) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-48726) * [Debian](https://security-tracker.debian.org/tracker/CVE-2022-48726) ### Other references * * * * * *