io_uring/zctx: check chained notif contexts (Linux Linux)

CVE-2025-68317
HIGH 7.8

En bref

Source
NVD
EPSS
EPSS 0.14 % · centile 4 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Linux
Statut NVD
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Références européennes

Avis du CERT-FR

Produits affectés

ProduitVersions
Linux · Linuxaffected 6fe4220912d19152a26ce19713ab232f4263018d < aaafd17d3f4be2c15539359a5b4bfa00237f687f ; affected 6fe4220912d19152a26ce19713ab232f4263018d < d664a3ce3a604231a0b144c152a3755d03b18b60 ; affected 6fe4220912d19152a26ce19713ab232f4263018d < ab3ea6eac5f45669b091309f592c4ea324003053
Linux · Linuxaffected 6.10 ; unaffected 0 < 6.10 ; unaffected 6.12.58 ≤ 6.12.* ; unaffected 6.17.8 ≤ 6.17.* ; unaffected 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