CVE-2022-49751
MediumIn the Linux kernel, the following vulnerability has been resolved: w1: fix WARNING after calling w1_process() I got the following WARNING message while removing driver(ds2482): ------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [<000000002d50bfb6>] w1_process+0x9e/0x1d0 [wire] WARNING: CPU: 0 PID: 262 at kernel/sched/core.c:9817 __might_sleep+0x98/0xa0 CPU: 0 PID: 262 Comm: w1_bus_master1 Tainted: G N 6.1.0-rc3+ #307 RIP: 0010:__might_sleep+0x98/0xa0 Call Trace: exit_signals+0x6c/0x550 do_exit+0x2b4/0x17e0 kthread_exit+0x52/0x60 kthread+0x16d/0x1e0 ret_from_fork+0x1f/0x30 The state of task is set to TASK_INTERRUPTIBLE in loop in w1_process(), set it to TASK_RUNNING when it breaks out of the loop to avoid the warning.
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions
Linux kernel versions
2.6.28
and later are affected. Fixed in
4.14.305,
4.19.272,
5.4.231,
5.10.166,
5.15.91,
6.1.9,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-49751 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/190b5c3bbd5df685bb1063bda048831d72b8f1d4
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PatchKernel patch commithttps://git.kernel.org/stable/c/216f35db6ec6a667cd9db4838d657c1d2f4684da
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PatchKernel patch commithttps://git.kernel.org/stable/c/276052159ba94d4d9f5b453fb4707d6798c6b845
Frequently asked questions
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What is CVE-2022-49751?
CVE-2022-49751 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 2.6.28 onward and has been patched in 4.14.305, 4.19.272, 5.4.231 and others. CVE-2022-49751 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-49751?
CVE-2022-49751 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2022-49751?
Yes — CVE-2022-49751 has been patched. Fixed versions include 4.14.305, 4.19.272, 5.4.231 and others. If you are running Linux kernel 2.6.28 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49751 actively exploited?
No — CVE-2022-49751 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.