cifs: prevent NULL deref in cifs_compose_mount_options() (Linux Linux)

CVE-2021-47307
HIGH 7.5

En bref

Source
NVD
EPSS
EPSS 0.69 % · centile 53 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL deref in cifs_compose_mount_options() The optional @ref parameter might contain an NULL node_name, so prevent dereferencing it in cifs_compose_mount_options(). Addresses-Coverity: 1476408 ("Explicit null dereferenced")

Faiblesses (CWE)

  • CWE-476 — Déréférencement de pointeur nul

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 2c55608f28444c3f33b10312881384c470ceed56 < f7d1fa65e74263d11f90ddd33b4d4cd905a93759 ; affected 2c55608f28444c3f33b10312881384c470ceed56 < e58c162789becede894d3e94c0ce6695a2ef5796 ; affected 2c55608f28444c3f33b10312881384c470ceed56 < ae3d181f4e912f51af7776ea165f199b16fc165d ; affected 2c55608f28444c3f33b10312881384c470ceed56 < 03313d1c3a2f086bb60920607ab79ac8f8578306
Linux · Linuxaffected 2.6.28 ; unaffected 0 < 2.6.28 ; unaffected 5.4.135 ≤ 5.4.* ; unaffected 5.10.53 ≤ 5.10.* ; unaffected 5.13.5 ≤ 5.13.* ; unaffected 5.14 ≤ *

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