CVE-2022-50742
In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible refcount leak in afu_ioctl() eventfd_ctx_put need to be called to put the refcount that gotten by eventfd_ctx_fdget when ocxl_irq_set_handler fails.
Affected versions
Linux kernel versions
5.2
and later are affected. Fixed in
5.4.220,
5.10.150,
5.15.75,
5.19.17,
6.0.3,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-50742 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/11bd8bbdf8f6f5c1145bb158793107a57e3a1f07
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PatchKernel patch commithttps://git.kernel.org/stable/c/66032c43291672bae8b93184d2806f05be3e16df
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PatchKernel patch commithttps://git.kernel.org/stable/c/7ba19a60c74fb0057d4daef2fa2cbfc9522f3ba1
Frequently asked questions
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What is CVE-2022-50742?
CVE-2022-50742 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.2 onward and has been patched in 5.4.220, 5.10.150, 5.15.75 and others. CVE-2022-50742 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-2022-50742?
Yes — CVE-2022-50742 has been patched. Fixed versions include 5.4.220, 5.10.150, 5.15.75 and others. If you are running Linux kernel 5.2 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50742 actively exploited?
No — CVE-2022-50742 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.