CVE-2022-50874
In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Fix refcount leak in erdma_mmap rdma_user_mmap_entry_get() take reference, we should release it when not need anymore, add the missing rdma_user_mmap_entry_put() in the error path to fix it.
Affected versions
Linux kernel versions
6.0
and later are affected. Fixed in
6.1.16,
6.2.3,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2022-50874 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/410f0f46ffca4d0102470c1e0c747ecfece4204c
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PatchKernel patch commithttps://git.kernel.org/stable/c/8372207b009d6abdd60bb05624640bd86386599f
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PatchKernel patch commithttps://git.kernel.org/stable/c/ee84146c05ad2316b9a7222d0ec4413e0bf30eeb
Frequently asked questions
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What is CVE-2022-50874?
CVE-2022-50874 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.0 onward and has been patched in 6.1.16, 6.2.3 and 6.3. CVE-2022-50874 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-2022-50874?
Yes — CVE-2022-50874 has been patched. Fixed versions include 6.1.16, 6.2.3 and 6.3. If you are running Linux kernel 6.0 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50874 actively exploited?
No — CVE-2022-50874 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.