--- title: "CVE-2019-19037\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-2019-19037?format=md keywords: index, follow --- # CVE-2019-19037 Publication date 21 November 2019 Last updated 4 July 2026 --- Ubuntu priority **Low** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **5.5 · Medium** [Score breakdown](https://ubuntu.com/security/CVE-2019-19037?format=md#impact-score) Toggle side navigation ## Description ext4\_empty\_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4\_read\_dirblock(inode,0,DIRENT\_HTREE) can be zero. [Read the notes from the security team](https://ubuntu.com/security/CVE-2019-19037?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | linux-aws-fips | 24.04 LTS noble | 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 | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-fips | 24.04 LTS noble | 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 | Not in release | | 14.04 LTS trusty | Not in release | | linux-gcp-fips | 24.04 LTS noble | 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 | Not in release | | 14.04 LTS trusty | Not in release | | linux | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | Fixed 5.3.0-40.32 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-88.88 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-aws | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | Fixed 5.3.0-1011.12 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-1060.62 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not affected | | linux-aws-5.0 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.0.0-1025.28 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-aws-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-aws-5.3 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-aws-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-aws-hwe | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Fixed 4.15.0-1060.62~16.04.1 | | 14.04 LTS trusty | Not in release | | linux-azure | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | Fixed 5.3.0-1013.14 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 5.0.0-1032.34 | | 16.04 LTS xenial | Fixed 4.15.0-1071.76 | | 14.04 LTS trusty | Fixed 4.15.0-1071.76~14.04.1 Ubuntu Pro | | linux-azure-4.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-5.3 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Fixed 5.3.0-1013.14~18.04.1 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-edge | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Ignored end of standard support, was needs-triage | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-fde | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Ignored end of standard support, was ignored [superseded by linux-azure-fde-5.15] | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-azure-fde-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-bluefield | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-fips | 24.04 LTS noble | 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 | | 14.04 LTS trusty | Not in release | | linux-gcp | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | Fixed 5.3.0-1012.13 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 5.0.0-1031.32 | | 16.04 LTS xenial | Fixed 4.15.0-1055.59 | | 14.04 LTS trusty | Not in release | | linux-gcp-4.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gcp-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gcp-5.3 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.3.0-1012.13~18.04.1 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gcp-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gcp-edge | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Ignored end of standard support, was needs-triage | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gke | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Ignored end of kernel support | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Ignored end of standard support | | 14.04 LTS trusty | Not in release | | linux-gke-4.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 4.15.0-1052.55 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gke-5.0 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.0.0-1030.31 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gke-5.3 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Fixed 5.3.0-1012.13~18.04.1 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gkeop | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-gkeop-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-hwe | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.3.0-40.32~18.04.1 | | 16.04 LTS xenial | Fixed 4.15.0-88.88~16.04.1 | | 14.04 LTS trusty | Not in release | | linux-hwe-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-hwe-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | 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 | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Ignored end of standard support, was needed | | 16.04 LTS xenial | Ignored end of standard support, was needs-triage | | 14.04 LTS trusty | Not in release | | linux-ibm | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-ibm-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-ibm-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-intel | 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-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 | | 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-intel-iotg-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-iot | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-kvm | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | Fixed 5.3.0-1010.11 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-1053.53 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-lowlatency | 24.04 LTS noble | Not affected | | 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-lowlatency-hwe-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | 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-trusty | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | 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 | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not affected | | linux-nvidia | 24.04 LTS noble | Not affected | | 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-6.5 | 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-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 | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Ignored end of life, was pending | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-1073.83 | | 16.04 LTS xenial | Ignored end of standard support, was needs-triage | | 14.04 LTS trusty | Not in release | | linux-oem-5.6 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | 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-6.8 | 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-osp1 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Ignored end of life, was pending | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 5.0.0-1039.44 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oracle | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | Fixed 5.3.0-1009.10 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-1033.36 | | 16.04 LTS xenial | Fixed 4.15.0-1033.36~16.04.1 | | 14.04 LTS trusty | Not in release | | linux-oracle-5.0 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Not in release | | 18.04 LTS bionic | Fixed 5.0.0-1011.16 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oracle-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oracle-5.3 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-oracle-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | linux-raspi | 24.04 LTS noble | Not affected | | 22.04 LTS jammy | Not affected | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | 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-raspi-5.4 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not affected | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | 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 | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Ignored end of standard support, was needs-triage | | 19.10 eoan | Fixed 5.3.0-1018.20 | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-1055.59 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-raspi2-5.3 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 18.04 LTS bionic | Fixed 5.3.0-1018.20~18.04.1 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | 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 | | 22.04 LTS jammy | Ignored end of kernel support | | 20.10 groovy | Not affected | | 20.04 LTS focal | Not affected | | 19.10 eoan | 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-5.15 | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | 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-snapdragon | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not in release | | 20.10 groovy | Not in release | | 20.04 LTS focal | Not in release | | 19.10 eoan | Not in release | | 19.04 disco | Ignored end of life | | 18.04 LTS bionic | Fixed 4.15.0-1072.79 | | 16.04 LTS xenial | Not affected | | 14.04 LTS trusty | Not in release | | linux-xilinx-zynqmp | 24.04 LTS noble | Not in release | | 22.04 LTS jammy | Not affected | | 20.04 LTS focal | Not affected | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | --- * [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-2019-19037?format=md#patch-details) ### Get expanded security coverage with Ubuntu Pro Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use. [Get Ubuntu Pro](https://ubuntu.com/pro) [30-day free trial](https://ubuntu.com/pro/free-trial) ## Notes --- ### [tyhicks](https://launchpad.net/~tyhicks) Exploiting this vulnerability requires a crafted filesystem image to be mounted ### 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 [4e19d6b](https://git.kernel.org/linus/4e19d6b65fb4fc42e352ce9883649e049da14743), fixed by [64d4ce8](https://git.kernel.org/linus/64d4ce892383b2ad6d782e080d25502f91bf2a38) | ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 5.5 · Medium * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Local | | Attack complexity | Low | | Privileges required | None | | User interaction | Required | | Scope | Unchanged | | Confidentiality impact | None | | Integrity impact | None | | Availability impact | High | * Scores | Parameter | Value | | --- | --- | | Base score | 5.5 · Medium | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19037) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2019-19037) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2019-19037) * [Debian](https://security-tracker.debian.org/tracker/CVE-2019-19037) ### Other references * * *