ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() (Linux Linux)

CVE-2026-63924
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.71 % · centile 54 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers. Let's recompute nh pointer to make sure any change won't mess things up.

Faiblesses (CWE)

  • CWE-822 — Untrusted Pointer Dereference
  • CWE-416 — Utilisation après libération

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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b3ac54e5c905f86d22b502eacb5686a282c5659f ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 645b99b1a185c91a79bdac4c5de0f91b212d64f0 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9e883eaa878f4337b5873c706efb5a192364ed18 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bddaa4dfc7f36e1ee343a0622f69288af2b9ace9 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 72af7beae774e46ed543f3f2f267bf0a141bfcdd ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c512e1c819dfbf6ae95ee7a44b65b9ad98979157
Linux · Linuxaffected 2.6.12 ; unaffected 0 < 2.6.12 ; unaffected 5.10.259 ≤ 5.10.* ; unaffected 5.15.210 ≤ 5.15.* ; unaffected 6.1.176 ≤ 6.1.* ; unaffected 6.6.143 ≤ 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