CVE-2025-21765

ipv6: use RCU protection in ip6_default_advmss()

En bref

Sévérité
HIGH 8.1
EPSS
EPSS 0.61 % · centile 49 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6_default_advmss() ip6_default_advmss() needs rcu protection to make sure the net structure it reads does not disappear.

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
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 5578689a4e3c04f2d43ea39736fd3fa396d80c6e < 78ad057472d8c76e0602402269222f9f9c698790 ; affected 5578689a4e3c04f2d43ea39736fd3fa396d80c6e < d02f30d220ef9511568a48dba8a9004c65f8d904 ; affected 5578689a4e3c04f2d43ea39736fd3fa396d80c6e < 28de355b63ad42309ed5a03ee7c436c90512265b ; affected 5578689a4e3c04f2d43ea39736fd3fa396d80c6e < 84212387caadb211cd9dadd6fd5563bd37dc1f5e ; affected 5578689a4e3c04f2d43ea39736fd3fa396d80c6e < 4176a68b0db8fc74ac14fcd00ba8231371051dc2 ; affected 5578689a4e3c04f2d43ea39736fd3fa396d80c6e < 713a40c892f40300d63691d9f85b2a23b48fe1e8
Linux · Linuxaffected 2.6.26 ; unaffected 0 < 2.6.26 ; unaffected 5.4.291 ≤ 5.4.* ; unaffected 5.10.235 ≤ 5.10.* ; unaffected 5.15.179 ≤ 5.15.* ; unaffected 6.1.129 ≤ 6.1.*

Références

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