dlm: validate length in dlm_search_rsb_tree (Linux Linux)

CVE-2026-43125
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.54 % · centile 45 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlm_search_rsb_tree The len parameter in dlm_dump_rsb_name() is not validated and comes from network messages. When it exceeds DLM_RESNAME_MAXLEN, it can cause out-of-bounds write in dlm_search_rsb_tree(). Add length validation to prevent potential buffer overflow.

Faiblesses (CWE)

  • CWE-130 — Improper Handling of Length Parameter Inconsistency
  • CWE-787 — Écriture 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 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hredhat-SADP
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)
CVSS 3.1HIGH 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 0b0ca135-0b70-47e7-9f44-1890c2a1c46c (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 7210cb7a72a22303cdb225bd1aea28697a17bbae < 0270664871616eb3a5c864b9aa17be76fd35b920 ; affected 7210cb7a72a22303cdb225bd1aea28697a17bbae < c98d071a1ca903b705316225e47006aaa20e989c ; affected 7210cb7a72a22303cdb225bd1aea28697a17bbae < 2deafd015ea9a0e75ee5764e20eb1e16bd73efd8 ; affected 7210cb7a72a22303cdb225bd1aea28697a17bbae < 67288113c5e6cf9e659b4065c0ed6f16100e0c71 ; affected 7210cb7a72a22303cdb225bd1aea28697a17bbae < 082083c9fbd99422a0370fe2102144a231c9f5d6 ; affected 7210cb7a72a22303cdb225bd1aea28697a17bbae < 5f053a2e7209d326cbbc07738fa6d6893d307438
Linux · Linuxaffected 3.4 ; unaffected 0 < 3.4 ; unaffected 5.15.224 ≤ 5.15.* ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.75 ≤ 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