net: hsr: fix potential OOB access in supervision frame handling (Linux Linux)

CVE-2026-64000
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.49 % · centile 42 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeof(struct hsr_sup_tlv) to the pskb_may_pull() calls. Without this, a truncated frame could cause an out-of-bounds access.

Faiblesses (CWE)

  • CWE-125 — Lecture hors limites

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected eafaa88b3eb7f28aecb222281655473431d3ef2e < 09a37dca090c55ffb1a33f52d8667f1c2367ef48 ; affected eafaa88b3eb7f28aecb222281655473431d3ef2e < a4b64f3e9c7b8259f7dd251a0313420ba7c01852 ; affected eafaa88b3eb7f28aecb222281655473431d3ef2e < 71c986c0ba45b7dc574fae27c83e7b6671556f37 ; affected eafaa88b3eb7f28aecb222281655473431d3ef2e < fbd0662f9c9a66e8cc3df3099cca8ed6d3837cc7 ; affected eafaa88b3eb7f28aecb222281655473431d3ef2e < 78607a6854a22a2502f68092202e75a39af4865d ; affected eafaa88b3eb7f28aecb222281655473431d3ef2e < f229426072fc865654a60978bb7fda790a051ff3
Linux · Linuxaffected 5.16 ; unaffected 0 < 5.16 ; unaffected 6.1.176 ≤ 6.1.* ; unaffected 6.6.143 ≤ 6.6.* ; unaffected 6.12.93 ≤ 6.12.* ; unaffected 6.18.35 ≤ 6.18.*

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