CVE-2026-31781

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.20:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*

History

11 May 2026, 20:51

Type Values Removed Values Added
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:4.20:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c - () https://git.kernel.org/stable/c/27ef84bba9b9d7b03418c60fbc6069ea0e87b13c - Patch
References () https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d - () https://git.kernel.org/stable/c/46a60ee8956ef1975f00455f614761c7ecedc09d - Patch
References () https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640 - () https://git.kernel.org/stable/c/489f2ef2b908898d01df697dc4fe1476674be640 - Patch
References () https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34 - () https://git.kernel.org/stable/c/4a41c2b18fc05d30b718d2602cac339eae710b34 - Patch
References () https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a - () https://git.kernel.org/stable/c/5bb398991f378ef74d90b14a6ea8b61ff96cc03a - Patch
References () https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5 - () https://git.kernel.org/stable/c/d59c5d8539662d95887b4564f3f72ad38076a2d5 - Patch
References () https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3 - () https://git.kernel.org/stable/c/f0e441be08a2eab10b2d06fccfa267ee599dd6b3 - Patch
References () https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067 - () https://git.kernel.org/stable/c/f8995c2df519f382525ca4bc90553ad2ec611067 - Patch

01 May 2026, 15:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-01 15:16

Updated : 2026-05-11 20:51


NVD link : CVE-2026-31781

Mitre link : CVE-2026-31781

CVE.ORG link : CVE-2026-31781


JSON object : View

Products Affected

linux

  • linux_kernel