block: mark GFP_NOIO around sysfs ->store() (Linux Linux)

CVE-2025-21817
MEDIUM 5.5

En bref

Source
NVD
EPSS
EPSS 0.15 % · centile 4 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: block: mark GFP_NOIO around sysfs ->store() sysfs ->store is called with queue freezed, meantime we have several ->store() callbacks(update_nr_requests, wbt, scheduler) to allocate memory with GFP_KERNEL which may run into direct reclaim code path, then potential deadlock can be caused. Fix the issue by marking NOIO around sysfs ->store()

Faiblesses (CWE)

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 1645cd7fd42c236c952e9228badcac4fea1829ea < a09280c39ea54080daf19cfaf4a3121a8d17d5cd ; affected 8985da5481562e96b95e94ed8e5cc9b6565eb82b < 2566ce907e5d5db8a039647208e029ce559baa31 ; affected c99f66e4084a62a2cc401c4704a84328aeddc9ec < 7c0be4ead1f8f5f8be0803f347de0de81e3b8e1c
Linux · Linuxaffected 6.12.96 < 6.12.109 ; affected 6.13.2 < 6.13.3

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