smb: client: guarantee refcounted children from parent session (Linux Linux)

CVE-2024-35869
CRITICAL 9.8

En bref

Source
NVD
EPSS
EPSS 0.65 % · centile 51 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: guarantee refcounted children from parent session Avoid potential use-after-free bugs when walking DFS referrals, mounting and performing DFS failover by ensuring that all children from parent @tcon->ses are also refcounted. They're all needed across the entire DFS mount. Get rid of @tcon->dfs_ses_list while we're at it, too.

Faiblesses (CWE)

  • 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 3.1HIGH 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCISA-ADP
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 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Linux · Linuxaffected 8e3554150d6c80a84b3cb046615d1a0e943811dc < 645f332c6b63499cc76197f9b6bffcc659ba64cc ; affected 8e3554150d6c80a84b3cb046615d1a0e943811dc < e1db9ae87b7148c021daee1fcc4bc71b2ac58a79 ; affected 8e3554150d6c80a84b3cb046615d1a0e943811dc < 062a7f0ff46eb57aff526897bd2bebfdb1d3046a ; affected f30d226bcc9f0e2d97b4a6e94c43a28148fbeab6 ; affected c082c3be0f96e759ff2e361d929832fda0b93851 ; affected 6.2.15 < 6.3
Linux · Linuxaffected 6.4 ; unaffected 0 < 6.4 ; unaffected 6.6.29 ≤ 6.6.* ; unaffected 6.8.5 ≤ 6.8.* ; unaffected 6.9 ≤ *

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