openvswitch: validate MPLS set/set_masked payload length (Linux Linux)

CVE-2026-31679
HIGH 7.1

En bref

Source
NVD
EPSS
EPSS 0.16 % · centile 5 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/set_masked payload length validate_set() accepted OVS_KEY_ATTR_MPLS as variable-sized payload for SET/SET_MASKED actions. In action handling, OVS expects fixed-size MPLS key data (struct ovs_key_mpls). Use the already normalized key_len (masked case included) and reject non-matching MPLS action key sizes. Reject invalid MPLS action payload lengths early.

Faiblesses (CWE)

  • CWE-20 — Validation d'entrée incorrecte

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HLinux
CVSS 3.1HIGH 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 < 68f32ef0683c8d1c05cd2e4f16818fa63ff59c6f ; affected fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 < 4cae986225f8b8679ad86b924918e7d75a96aa61 ; affected fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 < 8ed7b9930cbc3bc71f868fa79a68700ac88d586a ; affected fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 < c1f97152df8dfb17e855ddf0fc409b7bd13e9700 ; affected fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 < 98de18d327ef8cbbb704980e359e4872d8c28997 ; affected fbdcdd78da7c95f1b970d371e1b23cbd3aa990f3 < bd50c7484c3bb34097571c1334174fb8b7408036
Linux · Linuxaffected 5.5 ; unaffected 0 < 5.5 ; unaffected 5.10.253 ≤ 5.10.* ; unaffected 5.15.203 ≤ 5.15.* ; unaffected 6.1.168 ≤ 6.1.* ; unaffected 6.6.131 ≤ 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