CVE-2023-54123
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak for 'conf->bio_split' In the error path of raid10_run(), 'conf' need be freed, however, 'conf->bio_split' is missed and memory will be leaked. Since there are 3 places to free 'conf', factor out a helper to fix the problem.
Affected versions
Linux kernel versions
4.12
and later are affected. Fixed in
4.19.283,
5.4.243,
5.10.180,
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-2023-54123 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/133008af833b4f2e021d2c294c29c70364a3f0ba
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PatchKernel patch commithttps://git.kernel.org/stable/c/5cba3e26c073b535e4e3b825ea481fb29c53943b
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PatchKernel patch commithttps://git.kernel.org/stable/c/6361b0592b46c465ac926c1f3105d66c30d9658b
Frequently asked questions
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What is CVE-2023-54123?
CVE-2023-54123 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.12 onward and has been patched in 4.19.283, 5.4.243, 5.10.180 and others. CVE-2023-54123 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-2023-54123?
Yes — CVE-2023-54123 has been patched. Fixed versions include 4.19.283, 5.4.243, 5.10.180 and others. If you are running Linux kernel 4.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54123 actively exploited?
No — CVE-2023-54123 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.