VDB
CVE-2026-31781
CVE-2026-31781
PUBLISHED
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.
EPSS 0.02% · 3.4th percentile
Risk Scores
EPSS Score
0.02%
3.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| linux | linux_kernel | 4.20, 4.20, 4.20 |
| Linux | Linux | 505b5240329b922f21f91d5b5d1e535c805eca6d, 505b5240329b922f21f91d5b5d1e535c805eca6d, 505b5240329b922f21f91d5b5d1e535c805eca6d |
Timeline
- May 1, 2026 CVE Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 23, 2026 CVE Updated
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d url
- https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a url
- https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5 url
- https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640 url
- https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34 url
- https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3 url
- https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c url
- https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067 url
- https://lists.debian.org/debian-lts-announce/2026/05/msg00004.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00005.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00051.html advisory
- https://lists.debian.org/debian-lts-announce/2026/05/msg00052.html advisory