CVE-2023-54266
In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: m920x: Fix a potential memory leak in m920x_i2c_xfer() 'read' is freed when it is known to be NULL, but not when a read error occurs. Revert the logic to avoid a small leak, should a m920x_read() call fail.
Affected versions
Linux kernel versions
4.14.263,
4.19.226,
5.4.174,
5.10.94,
5.15.17,
4.4.300,
4.9.298,
5.16.3,
5.17
and later are affected. Fixed in
4.14.326,
4.19.295,
5.4.257,
5.10.195,
5.15.132,
6.1.53,
6.4.16,
6.5.3,
6.6
and their respective stable series.
References
The following references provide additional information about CVE-2023-54266 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/2b6e20ef0585a467c24c7e4fde28518e5b33225a
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PatchKernel patch commithttps://git.kernel.org/stable/c/2cc9f11aeae2887a4db25c27323fc445f4b49e86
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PatchKernel patch commithttps://git.kernel.org/stable/c/4feed3dfca722c6d74865a37cab853c58e6aa190
Frequently asked questions
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What is CVE-2023-54266?
CVE-2023-54266 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.14.263 onward and has been patched in 4.14.326, 4.19.295, 5.4.257 and others. CVE-2023-54266 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-2023-54266?
Yes — CVE-2023-54266 has been patched. Fixed versions include 4.14.326, 4.19.295, 5.4.257 and others. If you are running Linux kernel 4.14.263 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54266 actively exploited?
No — CVE-2023-54266 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.