CVE-2023-54273
In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix leak of dev tracker At the stage of direction checks, the netdev reference tracker is already initialized, but released with wrong *_put() call.
Affected versions
Linux kernel versions
6.2
and later are affected. Fixed in
6.3.4,
6.4
and their respective stable series.
References
The following references provide additional information about CVE-2023-54273 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/7d16c515059b3746f2d6a24a74c3ba786a68c2a1
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PatchKernel patch commithttps://git.kernel.org/stable/c/ec8f32ad9a65a8cbb465b69e154aaec9d2fe45c4
Frequently asked questions
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What is CVE-2023-54273?
CVE-2023-54273 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.2 onward and has been patched in 6.3.4 and 6.4. CVE-2023-54273 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-2023-54273?
Yes — CVE-2023-54273 has been patched. Fixed versions include 6.3.4 and 6.4. If you are running Linux kernel 6.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54273 actively exploited?
No — CVE-2023-54273 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.