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CVE-2022-48875

Publication date 21 August 2024

Last updated 6 September 2024


Ubuntu priority

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: sdata can be NULL during AMPDU start ieee80211_tx_ba_session_handle_start() may get NULL for sdata when a deauthentication is ongoing. Here a trace triggering the race with the hostapd test multi_ap_fronthaul_on_ap: (gdb) list *drv_ampdu_action+0x46 0x8b16 is in drv_ampdu_action (net/mac80211/driver-ops.c:396). 391 int ret = -EOPNOTSUPP; 392 393 might_sleep(); 394 395 sdata = get_bss_sdata(sdata); 396 if (!check_sdata_in_driver(sdata)) 397 return -EIO; 398 399 trace_drv_ampdu_action(local, sdata, params); 400 wlan0: moving STA 02:00:00:00:03:00 to state 3 wlan0: associated wlan0: deauthenticating from 02:00:00:00:03:00 by local choice (Reason: 3=DEAUTH_LEAVING) wlan3.sta1: Open BA session requested for 02:00:00:00:00:00 tid 0 wlan3.sta1: dropped frame to 02:00:00:00:00:00 (unauthorized port) wlan0: moving STA 02:00:00:00:03:00 to state 2 wlan0: moving STA 02:00:00:00:03:00 to state 1 wlan0: Removed STA 02:00:00:00:03:00 wlan0: Destroyed STA 02:00:00:00:03:00 BUG: unable to handle page fault for address: fffffffffffffb48 PGD 11814067 P4D 11814067 PUD 11816067 PMD 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 2 PID: 133397 Comm: kworker/u16:1 Tainted: G W 6.1.0-rc8-wt+ #59 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-20220807_005459-localhost 04/01/2014 Workqueue: phy3 ieee80211_ba_session_work [mac80211] RIP: 0010:drv_ampdu_action+0x46/0x280 [mac80211] Code: 53 48 89 f3 be 89 01 00 00 e8 d6 43 bf ef e8 21 46 81 f0 83 bb a0 1b 00 00 04 75 0e 48 8b 9b 28 0d 00 00 48 81 eb 10 0e 00 00 <8b> 93 58 09 00 00 f6 c2 20 0f 84 3b 01 00 00 8b 05 dd 1c 0f 00 85 RSP: 0018:ffffc900025ebd20 EFLAGS: 00010287 RAX: 0000000000000000 RBX: fffffffffffff1f0 RCX: ffff888102228240 RDX: 0000000080000000 RSI: ffffffff918c5de0 RDI: ffff888102228b40 RBP: ffffc900025ebd40 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888118c18ec0 R13: 0000000000000000 R14: ffffc900025ebd60 R15: ffff888018b7efb8 FS: 0000000000000000(0000) GS:ffff88817a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffb48 CR3: 0000000105228006 CR4: 0000000000170ee0 Call Trace: <TASK> ieee80211_tx_ba_session_handle_start+0xd0/0x190 [mac80211] ieee80211_ba_session_work+0xff/0x2e0 [mac80211] process_one_work+0x29f/0x620 worker_thread+0x4d/0x3d0 ? process_one_work+0x620/0x620 kthread+0xfb/0x120 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x22/0x30 </TASK>

Status

Package Ubuntu Release Status
linux 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-70.77
20.04 LTS focal
Vulnerable
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Ignored
linux-allwinner-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-aws 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1034.38
20.04 LTS focal
Vulnerable
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Ignored
linux-aws-5.0 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 Ignored
linux-aws-5.11 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-aws-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-aws-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1034.38~20.04.1
linux-aws-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-aws-5.3 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 Ignored
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 Ignored
linux-aws-5.8 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-aws-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-aws-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-aws-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
linux-aws-hwe 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
16.04 LTS xenial Ignored
linux-azure 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1036.43
20.04 LTS focal
Vulnerable
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
14.04 LTS trusty Ignored
linux-azure-4.15 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 Ignored
linux-azure-5.11 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-azure-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-azure-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1036.43~20.04.1
linux-azure-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-azure-5.3 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 Ignored
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 Ignored
linux-azure-5.8 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-azure-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-azure-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-azure-edge 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 Ignored
linux-azure-fde 24.04 LTS noble Not in release
22.04 LTS jammy
Fixed 5.15.0-1036.43.1
20.04 LTS focal Ignored
linux-azure-fde-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1036.43~20.04.1.1
linux-azure-fde-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-azure-fde-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-azure-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
linux-bluefield 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Vulnerable
linux-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
linux-gcp 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1032.40
20.04 LTS focal
Vulnerable
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
linux-gcp-4.15 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 Ignored
linux-gcp-5.11 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-gcp-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-gcp-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1032.40~20.04.1
linux-gcp-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-gcp-5.3 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 Ignored
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 Ignored
linux-gcp-5.8 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-gcp-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-gcp-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-gcp-fips 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
linux-gke 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1031.36
20.04 LTS focal Ignored
linux-gke-4.15 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 Ignored
linux-gke-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-gke-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 Ignored
linux-gkeop 24.04 LTS noble Not in release
22.04 LTS jammy
Fixed 5.15.0-1018.23
20.04 LTS focal
Vulnerable
linux-gkeop-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1018.23~20.04.1
linux-gkeop-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 Ignored
linux-hwe 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 Ignored
16.04 LTS xenial Ignored
linux-hwe-5.11 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-hwe-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-hwe-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-70.77~20.04.1
linux-hwe-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal 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 Ignored
linux-hwe-5.8 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-hwe-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-hwe-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
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
linux-hwe-edge 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 Ignored
16.04 LTS xenial Ignored
linux-ibm 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1028.31
20.04 LTS focal
Vulnerable
linux-ibm-5.15 24.04 LTS noble 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
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
18.04 LTS bionic Ignored
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-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-intel-iot-realtime 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 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
Fixed 5.15.0-1028.33
20.04 LTS focal 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
Fixed 5.15.0-1030.35~20.04.1
linux-iot 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Vulnerable
linux-kvm 24.04 LTS noble Not in release
22.04 LTS jammy
Fixed 5.15.0-1031.36
20.04 LTS focal
Vulnerable
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
linux-lowlatency 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-70.77
20.04 LTS focal 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
Fixed 5.15.0-70.77~20.04.1
linux-lowlatency-hwe-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-lowlatency-hwe-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-lowlatency-hwe-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
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
linux-lts-xenial 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Not in release
14.04 LTS trusty Ignored
linux-nvidia 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1023.23
20.04 LTS focal Not in release
linux-nvidia-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal 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
linux-nvidia-6.8 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal 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
linux-oem 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 Ignored
linux-oem-5.10 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oem-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oem-5.14 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oem-5.17 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-oem-5.6 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oem-6.0 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-oem-6.1 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-oem-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal 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
linux-oracle 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1033.39
20.04 LTS focal
Vulnerable
18.04 LTS bionic Ignored
16.04 LTS xenial Ignored
linux-oracle-5.0 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 Ignored
linux-oracle-5.11 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oracle-5.13 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oracle-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1033.39~20.04.1
linux-oracle-5.3 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 Ignored
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 Ignored
linux-oracle-5.8 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-oracle-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-raspi 24.04 LTS noble
Not affected
22.04 LTS jammy
Fixed 5.15.0-1027.29
20.04 LTS focal
Vulnerable
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 Ignored
linux-raspi-realtime 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 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
20.04 LTS focal Ignored
linux-realtime 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
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
20.04 LTS focal Ignored
linux-riscv-5.11 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-riscv-5.15 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal
Fixed 5.15.0-1031.35~20.04.1
linux-riscv-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-riscv-5.8 24.04 LTS noble Not in release
22.04 LTS jammy Not in release
20.04 LTS focal Ignored
linux-riscv-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
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
linux-starfive-5.19 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-starfive-6.2 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-starfive-6.5 24.04 LTS noble Not in release
22.04 LTS jammy Ignored
20.04 LTS focal Not in release
linux-xilinx-zynqmp 24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal
Vulnerable

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H