mptcp: fix race in mptcp_pm_nl_flush_addrs_doit() (Linux Linux)

CVE-2026-23169
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.14 % · centile 4 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcp_pm_nl_flush_addrs_doit() syzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id() and/or mptcp_pm_nl_is_backup() Root cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit() which is not RCU ready. list_splice_init_rcu() can not be called here while holding pernet->lock spinlock. Many thanks to Eulgyu Kim for providing a repro and testing our patches.

Faiblesses (CWE)

  • CWE-362 — Situation de compétition

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 4.7CVSS:3.1/AV:L/AC:H/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 141694df6573b49aa4143c92556544b4b0bbda72 < 338d40bab283da2639780ee3e458fb61f1567d8c ; affected 141694df6573b49aa4143c92556544b4b0bbda72 < 7896dbe990d56d5bb8097863b2645355633665eb ; affected 141694df6573b49aa4143c92556544b4b0bbda72 < 455e882192c9833f176f3fbbbb2f036b6c5bf555 ; affected 141694df6573b49aa4143c92556544b4b0bbda72 < 51223bdd0f60b06cfc7f25885c4d4be917adba94 ; affected 141694df6573b49aa4143c92556544b4b0bbda72 < 1f1b9523527df02685dde603f20ff6e603d8e4a1 ; affected 141694df6573b49aa4143c92556544b4b0bbda72 < e2a9eeb69f7d4ca4cf4c70463af77664fdb6ab1d
Linux · Linuxaffected 5.11 ; unaffected 0 < 5.11 ; unaffected 5.15.201 ≤ 5.15.* ; unaffected 6.1.164 ≤ 6.1.* ; unaffected 6.6.125 ≤ 6.6.* ; unaffected 6.12.72 ≤ 6.12.*

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