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CVE-2026-31781 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: drm/ioc32: stop speculation on the drm_compat_ioctl path The drm compat ioctl path takes a user controlled pointer, and then dereferences it into a table of function pointers, the signature method of spectre problems. Fix this up by calling array_index_nospec() on the index to the function pointer list.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c kernel.org
https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d kernel.org
https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640 kernel.org
https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34 kernel.org
https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a kernel.org
https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5 kernel.org
https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3 kernel.org
https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067 kernel.org

Weakness Enumeration

CWE-ID CWE Name Source

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-31781
NVD Published Date:
05/01/2026
NVD Last Modified:
05/01/2026
Source:
kernel.org