CVE-2023-54260
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix lost destroy smbd connection when MR allocate failed If the MR allocate failed, the smb direct connection info is NULL, then smbd_destroy() will directly return, then the connection info will be leaked. Let's set the smb direct connection info to the server before call smbd_destroy().
Affected versions
Linux kernel versions
4.16
and later are affected. Fixed in
4.19.276,
5.4.235,
5.10.173,
5.15.99,
6.1.16,
6.2.3,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2023-54260 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/04b7e13b8a13264282f874db5378fc3d3253cfac
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PatchKernel patch commithttps://git.kernel.org/stable/c/324c0c34fff1affd436e509325cb46739209704e
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PatchKernel patch commithttps://git.kernel.org/stable/c/46cd6c639cddba2bd2d810ceb16bb20374ad75b0
Frequently asked questions
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What is CVE-2023-54260?
CVE-2023-54260 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.16 onward and has been patched in 4.19.276, 5.4.235, 5.10.173 and others. CVE-2023-54260 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-2023-54260?
Yes — CVE-2023-54260 has been patched. Fixed versions include 4.19.276, 5.4.235, 5.10.173 and others. If you are running Linux kernel 4.16 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54260 actively exploited?
No — CVE-2023-54260 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.