CVE-2022-50748
In the Linux kernel, the following vulnerability has been resolved: ipc: mqueue: fix possible memory leak in init_mqueue_fs() commit db7cfc380900 ("ipc: Free mq_sysctls if ipc namespace creation failed") Here's a similar memory leak to the one fixed by the patch above. retire_mq_sysctls need to be called when init_mqueue_fs fails after setup_mq_sysctls.
Affected versions
Linux kernel versions
5.19
and later are affected. Fixed in
5.19.17,
6.0.3,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-50748 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/55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c
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PatchKernel patch commithttps://git.kernel.org/stable/c/a1f321051e0dcf2415fb94f81fdc5044cad4c1d6
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PatchKernel patch commithttps://git.kernel.org/stable/c/c579d60f0d0cd87552f64fdebe68b5d941d20309
Frequently asked questions
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What is CVE-2022-50748?
CVE-2022-50748 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.19 onward and has been patched in 5.19.17, 6.0.3 and 6.1. CVE-2022-50748 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-2022-50748?
Yes — CVE-2022-50748 has been patched. Fixed versions include 5.19.17, 6.0.3 and 6.1. If you are running Linux kernel 5.19 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50748 actively exploited?
No — CVE-2022-50748 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.