CVE-2022-49497
MediumIn the Linux kernel, the following vulnerability has been resolved: net: remove two BUG() from skb_checksum_help() I have a syzbot report that managed to get a crash in skb_checksum_help() If syzbot can trigger these BUG(), it makes sense to replace them with more friendly WARN_ON_ONCE() since skb_checksum_help() can instead return an error code. Note that syzbot will still crash there, until real bug is fixed.
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
2.6.24
and later are affected. Fixed in
5.10.121,
5.15.46,
5.17.14,
5.18.3,
5.19
and their respective stable series.
References
The following references provide additional information about CVE-2022-49497 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/312c43e98ed190bd8fd7a71a0addf9539d5b8ab1
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PatchKernel patch commithttps://git.kernel.org/stable/c/6320ae1b5876c30bf98203b6a5abe8b5c45e6a04
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PatchKernel patch commithttps://git.kernel.org/stable/c/b1320c9a4d30ff54b824a8ad6036e0b5fb4c5e73
Frequently asked questions
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What is CVE-2022-49497?
CVE-2022-49497 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 2.6.24 onward and has been patched in 5.10.121, 5.15.46, 5.17.14 and others. CVE-2022-49497 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-2022-49497?
CVE-2022-49497 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-2022-49497?
Yes — CVE-2022-49497 has been patched. Fixed versions include 5.10.121, 5.15.46, 5.17.14 and others. If you are running Linux kernel 2.6.24 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49497 actively exploited?
No — CVE-2022-49497 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.