CVE-2022-50809
In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhci_alloc_dbc() If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak.
Affected versions
Linux kernel versions
5.15.58,
5.18
and later are affected. Fixed in
5.15.75,
5.19.17,
6.0.3,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-50809 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/103b459590e1eb4d80b02761eb36c7cae1d9b58e
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PatchKernel patch commithttps://git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d
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PatchKernel patch commithttps://git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a
Frequently asked questions
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What is CVE-2022-50809?
CVE-2022-50809 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.15.58 onward and has been patched in 5.15.75, 5.19.17, 6.0.3 and others. CVE-2022-50809 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-2022-50809?
Yes — CVE-2022-50809 has been patched. Fixed versions include 5.15.75, 5.19.17, 6.0.3 and others. If you are running Linux kernel 5.15.58 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50809 actively exploited?
No — CVE-2022-50809 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.