CVE-2023-54280
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCP_Server_Info::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in __tree_connect_dfs_target(). Also, while at it, update status of IPC tcon on success and then avoid any extra tree connects.
Affected versions
Linux kernel versions
5.15.81,
5.16
and later are affected. Fixed in
6.2.15,
6.3.2,
6.4
and their respective stable series.
References
The following references provide additional information about CVE-2023-54280 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/536ec71ba060a02fabe8e22cecb82fe7b3a8708b
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PatchKernel patch commithttps://git.kernel.org/stable/c/553476df55a111e6a66ad9155256aec0ec1b7ad0
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PatchKernel patch commithttps://git.kernel.org/stable/c/ee20d7c6100752eaf2409d783f4f1449c29ea33d
Frequently asked questions
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What is CVE-2023-54280?
CVE-2023-54280 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.15.81 onward and has been patched in 6.2.15, 6.3.2 and 6.4. CVE-2023-54280 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-2023-54280?
Yes — CVE-2023-54280 has been patched. Fixed versions include 6.2.15, 6.3.2 and 6.4. If you are running Linux kernel 5.15.81 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54280 actively exploited?
No — CVE-2023-54280 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.