CVE-2023-53807
In the Linux kernel, the following vulnerability has been resolved: clk: clocking-wizard: Fix Oops in clk_wzrd_register_divider() Smatch detected this potential error pointer dereference clk_wzrd_register_divider(). If devm_clk_hw_register() fails then it sets "hw" to an error pointer and then dereferences it on the next line. Return the error directly instead.
Affected versions
Linux kernel versions
5.13
and later are affected. Fixed in
5.15.121,
6.1.39,
6.3.13,
6.4.4,
6.5
and their respective stable series.
References
The following references provide additional information about CVE-2023-53807 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/25dbdfb7b71ef8601d00c6d9a2b1a96de28b30c5
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PatchKernel patch commithttps://git.kernel.org/stable/c/2f276dd9c0f835242836d9f6823035158ce2585c
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PatchKernel patch commithttps://git.kernel.org/stable/c/9c632a6396505a019ea6d12b5ab45e659a542a93
Frequently asked questions
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What is CVE-2023-53807?
CVE-2023-53807 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.13 onward and has been patched in 5.15.121, 6.1.39, 6.3.13 and others. CVE-2023-53807 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-2023-53807?
Yes — CVE-2023-53807 has been patched. Fixed versions include 5.15.121, 6.1.39, 6.3.13 and others. If you are running Linux kernel 5.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-53807 actively exploited?
No — CVE-2023-53807 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.