CVE-2022-50775
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix refcount leak in hns_roce_mmap rdma_user_mmap_entry_get_pgoff() takes the reference. Add missing rdma_user_mmap_entry_put() to release the reference. Acked-by Haoyue Xu <[email protected]>
Affected versions
Linux kernel versions
5.17
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-2022-50775 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/8abd2ff2256a2a99c11c7ecdcb5512429933620f
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PatchKernel patch commithttps://git.kernel.org/stable/c/cf6a05c8494a8ae7fec8e5f1229b45ca5b4bcd30
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PatchKernel patch commithttps://git.kernel.org/stable/c/fa87cf2e756efe809ee8683d4f282f4de962dab6
Frequently asked questions
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What is CVE-2022-50775?
CVE-2022-50775 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.17 onward and has been patched in 6.1.16, 6.2.3 and 6.3. CVE-2022-50775 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-2022-50775?
Yes — CVE-2022-50775 has been patched. Fixed versions include 6.1.16, 6.2.3 and 6.3. If you are running Linux kernel 5.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50775 actively exploited?
No — CVE-2022-50775 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.