drm/ioc32: stop speculation on the drm_compat_ioctl path (Linux Linux)

CVE-2026-31781
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.12 % · centile 2 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

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.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 505b5240329b922f21f91d5b5d1e535c805eca6d < 46a60ee8956ef1975f00455f614761c7ecedc09d ; affected 505b5240329b922f21f91d5b5d1e535c805eca6d < 5bb398991f378ef74d90b14a6ea8b61ff96cc03a ; affected 505b5240329b922f21f91d5b5d1e535c805eca6d < d59c5d8539662d95887b4564f3f72ad38076a2d5 ; affected 505b5240329b922f21f91d5b5d1e535c805eca6d < 489f2ef2b908898d01df697dc4fe1476674be640 ; affected 505b5240329b922f21f91d5b5d1e535c805eca6d < 4a41c2b18fc05d30b718d2602cac339eae710b34 ; affected 505b5240329b922f21f91d5b5d1e535c805eca6d < f0e441be08a2eab10b2d06fccfa267ee599dd6b3
Linux · Linuxaffected 4.20 ; unaffected 0 < 4.20 ; unaffected 5.10.253 ≤ 5.10.* ; unaffected 5.15.203 ≤ 5.15.* ; unaffected 6.1.168 ≤ 6.1.* ; unaffected 6.6.134 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD