gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump (Linux Linux)

CVE-2023-52448
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.24 % · centile 16 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump Syzkaller has reported a NULL pointer dereference when accessing rgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating rgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in gfs2_rgrp_dump() to prevent that.

Faiblesses (CWE)

  • CWE-476 — Déréférencement de pointeur nul

Références

Scores

VersionScoreVecteurÉvalué par
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 72244b6bc752b5c496f09de9a13c18adc314a53c < efc8ef87ab9185a23d5676f2f7d986022d91bcde ; affected 72244b6bc752b5c496f09de9a13c18adc314a53c < 5c28478af371a1c3fdb570ca67f110e1ae60fc37 ; affected 72244b6bc752b5c496f09de9a13c18adc314a53c < ee0586d73cbaf0e7058bc640d62a9daf2dfa9178 ; affected 72244b6bc752b5c496f09de9a13c18adc314a53c < d69d7804cf9e2ba171a27e5f98bc266f13d0414a ; affected 72244b6bc752b5c496f09de9a13c18adc314a53c < 067a7c48c2c70f05f9460d6f0e8423e234729f05 ; affected 72244b6bc752b5c496f09de9a13c18adc314a53c < c323efd620c741168c8e0cc6fc0be04ab57e331a
Linux · Linuxaffected 4.20 ; unaffected 0 < 4.20 ; unaffected 5.4.268 ≤ 5.4.* ; unaffected 5.10.209 ≤ 5.10.* ; unaffected 5.15.148 ≤ 5.15.* ; unaffected 6.1.75 ≤ 6.1.*

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