CVE-2026-46127
Published May 28, 2026
Modified Jun 1, 2026
Description
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.
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EPSS — Exploit Prediction
0.0018
Probability of exploitation
0.08%
Percentile rank
EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.
References
Other References
https://git.kernel.org/stable/c/27b6eb1f27fda9bdd5cae028e396758cdf525845
https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba
https://git.kernel.org/stable/c/443c991fbc954cc9363e963c09f404b9f281f3a2
https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8
https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e
https://git.kernel.org/stable/c/b610f33c5523fe26f6dd897667fff9c7a1de5905
https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd
https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51
Frequently Asked Questions
What is 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.
How do I check if I'm vulnerable to CVE-2026-46127? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.