CVE-2026-46127
In the Linux kernel, the following vulnerability has been resolved: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp() Sashiko points out that pd->uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NULL.
Affected versions
Linux kernel versions
3.5
and later are affected. Fixed in
5.10.258,
5.15.209,
6.1.175,
6.6.140,
6.12.88,
6.18.30,
7.0.7,
7.1-rc3
and their respective stable series.
References
The following references provide additional information about CVE-2026-46127 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/27b6eb1f27fda9bdd5cae028e396758cdf525845
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PatchKernel patch commithttps://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba
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PatchKernel patch commithttps://git.kernel.org/stable/c/443c991fbc954cc9363e963c09f404b9f281f3a2
Frequently asked questions
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What is CVE-2026-46127?
CVE-2026-46127 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 3.5 onward and has been patched in 5.10.258, 5.15.209, 6.1.175 and others. CVE-2026-46127 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-2026-46127?
Yes — CVE-2026-46127 has been patched. Fixed versions include 5.10.258, 5.15.209, 6.1.175 and others. If you are running Linux kernel 3.5 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-46127 actively exploited?
No — CVE-2026-46127 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.