CVE-2022-49012
MediumIn the Linux kernel, the following vulnerability has been resolved: afs: Fix server->active leak in afs_put_server The atomic_read was accidentally replaced with atomic_inc_return, which prevents the server from getting cleaned up and causes rmmod to hang with a warning: Can't purge s=00000001
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
Weakness type
CWE-459CVE-2022-49012 is classified as CWE-459
See CWE-459 on MITRE CWE for full details on this weakness type.
Affected versions
Linux kernel versions
6.0
and later are affected. Fixed in
6.0.12,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-49012 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/c5078548c29c735f71b05053659c0cb294e738ad
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PatchKernel patch commithttps://git.kernel.org/stable/c/ef4d3ea40565a781c25847e9cb96c1bd9f462bc6
Frequently asked questions
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What is CVE-2022-49012?
CVE-2022-49012 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.0 onward and has been patched in 6.0.12 and 6.1. CVE-2022-49012 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-2022-49012?
CVE-2022-49012 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-2022-49012?
Yes — CVE-2022-49012 has been patched. Fixed versions include 6.0.12 and 6.1. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49012 actively exploited?
No — CVE-2022-49012 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.