CVE-2022-49023
HighIn the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix buffer overflow in elem comparison For vendor elements, the code here assumes that 5 octets are present without checking. Since the element itself is already checked to fit, we only need to check the length.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-120CVE-2022-49023 is classified as CWE-120
See CWE-120 on MITRE CWE for full details on this weakness type.
Affected versions
Linux kernel versions
5.1
and later are affected. Fixed in
5.4.226,
5.10.158,
5.15.82,
6.0.12,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-49023 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/391cb872553627bdcf236c03ee7d5adb275e37e1
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PatchKernel patch commithttps://git.kernel.org/stable/c/88a6fe3707888bd1893e9741157a7035c4159ab6
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PatchKernel patch commithttps://git.kernel.org/stable/c/9e6b79a3cd17620d467311b30d56f2648f6880aa
Frequently asked questions
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What is CVE-2022-49023?
CVE-2022-49023 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.1 onward and has been patched in 5.4.226, 5.10.158, 5.15.82 and others. CVE-2022-49023 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-2022-49023?
CVE-2022-49023 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-49023?
Yes — CVE-2022-49023 has been patched. Fixed versions include 5.4.226, 5.10.158, 5.15.82 and others. If you are running Linux kernel 5.1 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49023 actively exploited?
No — CVE-2022-49023 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.