CVE-2022-49987
MediumIn the Linux kernel, the following vulnerability has been resolved: md: call __md_stop_writes in md_stop From the link [1], we can see raid1d was running even after the path raid_dtr -> md_stop -> __md_stop. Let's stop write first in destructor to align with normal md-raid to fix the KASAN issue. [1]. https://lore.kernel.org/linux-raid/CAPhsuW5gc4AakdGNdF8ubpezAuDLFOYUO_sfMZcec6hQFm8nhg@mail.gmail.com/T/#m7f12bf90481c02c6d2da68c64aeed4779b7df74a
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
4.12
and later are affected. Fixed in
4.14.292,
4.19.257,
5.4.212,
5.10.140,
5.15.64,
5.19.6,
6.0
and their respective stable series.
References
The following references provide additional information about CVE-2022-49987 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/0dd84b319352bb8ba64752d4e45396d8b13e6018
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PatchKernel patch commithttps://git.kernel.org/stable/c/1678ca35b80a94d474fdc31e2497ce5d7ed52512
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PatchKernel patch commithttps://git.kernel.org/stable/c/661c01b2181d9413c799127f13143583b69f20fd
Frequently asked questions
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What is CVE-2022-49987?
CVE-2022-49987 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.12 onward and has been patched in 4.14.292, 4.19.257, 5.4.212 and others. CVE-2022-49987 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-2022-49987?
CVE-2022-49987 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-2022-49987?
Yes — CVE-2022-49987 has been patched. Fixed versions include 4.14.292, 4.19.257, 5.4.212 and others. If you are running Linux kernel 4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49987 actively exploited?
No — CVE-2022-49987 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.