CVE-2026-46127
RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()
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.
INFO
Published Date :
May 28, 2026, 10:16 a.m.
Last Modified :
May 28, 2026, 10:16 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-46127
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update the Linux kernel.
- Apply the RDMA/ocrdma patch.
- Ensure uctx is properly initialized.
- Avoid NULL dereferences on errors.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-46127.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-46127 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-46127
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-46127 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-46127 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2026
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba Added Reference https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8 Added Reference https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e Added Reference https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd Added Reference https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51