CVE-2023-53751
In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname TCP_Server_Info::hostname may be updated once or many times during reconnect, so protect its access outside reconnect path as well and then prevent any potential use-after-free bugs.
Affected versions
Linux kernel versions
5.0
and later are affected. Fixed in
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-2023-53751 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/0b08c4c499200be67d54c439d56e5ea866869945
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PatchKernel patch commithttps://git.kernel.org/stable/c/64d62ac6d6514cba1305bd08e271ec1843bdd612
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PatchKernel patch commithttps://git.kernel.org/stable/c/90c49fce1c43e1cc152695e20363ff5087897c09
Frequently asked questions
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What is CVE-2023-53751?
CVE-2023-53751 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.0 onward and has been patched in 6.1.28, 6.2.15, 6.3.2 and others. CVE-2023-53751 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-2023-53751?
Yes — CVE-2023-53751 has been patched. Fixed versions include 6.1.28, 6.2.15, 6.3.2 and others. If you are running Linux kernel 5.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-53751 actively exploited?
No — CVE-2023-53751 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.