CVE-2022-50783
In the Linux kernel, the following vulnerability has been resolved: mptcp: use proper req destructor for IPv6 Before, only the destructor from TCP request sock in IPv4 was called even if the subflow was IPv6. It is important to use the right destructor to avoid memory leaks with some advanced IPv6 features, e.g. when the request socks contain specific IPv6 options.
Affected versions
Linux kernel versions
5.6
and later are affected. Fixed in
5.10.163,
5.15.87,
6.0.18,
6.1.4,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50783 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/092953f3c4cd65f88b27b87a922f6c725f34ee04
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PatchKernel patch commithttps://git.kernel.org/stable/c/1922ea6b0ae2ea0c9a09be0eafafe1cd1069d259
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PatchKernel patch commithttps://git.kernel.org/stable/c/6eb02c596ec02e5897ae377e065cb7df55337a96
Frequently asked questions
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What is CVE-2022-50783?
CVE-2022-50783 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.6 onward and has been patched in 5.10.163, 5.15.87, 6.0.18 and others. CVE-2022-50783 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2022-50783?
Yes — CVE-2022-50783 has been patched. Fixed versions include 5.10.163, 5.15.87, 6.0.18 and others. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50783 actively exploited?
No — CVE-2022-50783 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.