erofs: fix metabuf leak in inode xattr initialization (Linux Linux)

CVE-2026-64146
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.13 % · centile 2 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: erofs: fix metabuf leak in inode xattr initialization commit bb88e8da0025 ("erofs: use meta buffers for xattr operations") converted xattr operations to use on-stack erofs_buf instances. erofs_init_inode_xattrs() uses such a metabuf while reading the inline xattr header and shared xattr id array. Some error paths after erofs_read_metabuf() leave through out_unlock without dropping the metabuf, so the folio reference can leak. Consolidate the cleanup at out_unlock. erofs_put_metabuf() is a no-op if no folio has been acquired, and this keeps all paths after taking EROFS_I_BL_XATTR_BIT covered by a single cleanup site.

Faiblesses (CWE)

  • CWE-401 — Mémoire non libérée après sa durée de vie utile

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 bb88e8da00253bea0e7f0f4cdfd7910572d7799f < 89682dd09efb3825b0f162a72e342c52b69ea14a ; affected bb88e8da00253bea0e7f0f4cdfd7910572d7799f < 3812cfe6cb0a5988df4fedcdaf9aab677b9cca61 ; affected bb88e8da00253bea0e7f0f4cdfd7910572d7799f < e4a552e0b6413c1af2e140b5bc14bb849b411b57 ; affected bb88e8da00253bea0e7f0f4cdfd7910572d7799f < fcb23bb31508b62e8a1b32adf6217820e90e29b0 ; affected bb88e8da00253bea0e7f0f4cdfd7910572d7799f < 492c73b21fefa36f3869cb2b188ffb7fe37b3a9b ; affected bb88e8da00253bea0e7f0f4cdfd7910572d7799f < 79b09c54c6563df9846ca3094bcfd72082c3e1d7
Linux · Linuxaffected 5.17 ; unaffected 0 < 5.17 ; unaffected 6.1.191 ≤ 6.1.* ; unaffected 6.6.160 ≤ 6.6.* ; unaffected 6.12.114 ≤ 6.12.* ; unaffected 6.18.57 ≤ 6.18.*

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