CVE-2023-53990
In the Linux kernel, the following vulnerability has been resolved: SMB3: Add missing locks to protect deferred close file list cifs_del_deferred_close function has a critical section which modifies the deferred close file list. We must acquire deferred_lock before calling cifs_del_deferred_close function.
Affected versions
Linux kernel versions
5.15.63,
5.19.4,
6.0
and later are affected. Fixed in
5.15.111,
6.1.28,
6.2.15,
6.3.2,
6.4
and their respective stable series.
References
The following references provide additional information about CVE-2023-53990 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/0f87e18203bd30f71eb1a65259e28e291b6cc43a
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PatchKernel patch commithttps://git.kernel.org/stable/c/32a046ccaeea6c19965c04a4c521e703f6607924
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PatchKernel patch commithttps://git.kernel.org/stable/c/3aa9d065b0685b4e6052f3f2a2462966fdc44fd2
Frequently asked questions
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What is CVE-2023-53990?
CVE-2023-53990 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.15.63 onward and has been patched in 5.15.111, 6.1.28, 6.2.15 and others. CVE-2023-53990 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-2023-53990?
Yes — CVE-2023-53990 has been patched. Fixed versions include 5.15.111, 6.1.28, 6.2.15 and others. If you are running Linux kernel 5.15.63 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-53990 actively exploited?
No — CVE-2023-53990 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.