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HIGH

CVE-2026-88924

CVSS v3

7

HIGH

Score EPSS

0.1 %

probabilité d’exploitation au 2026-09-28

CISA KEV

Non

exploitation connue

Exploitation

—

statut SSVC

Description

A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newly created private D-Bus sockets by calling the link-following chown() function on a pathname inside a user-controlled directory. A local attacker can exploit this via a Time-of-Check Time-of-Use (TOCTOU) race condition and exchange the socket pathname with a symbolic link pointing to an arbitrary root-owned file (such as /etc/pam.d/su). The daemon subsequently follows the symlink and cha

Détails techniques

Publiée le
2026-09-10
Dernière modification
2026-09-11

Questions fréquentes

Qu’est-ce que CVE-2026-88924 ?

A flaw was found in the admin backend of gvfs. The privileged gvfsd-admin daemon changes the ownership of newly created private D-Bus sockets by calling the link-following chown() function on a pathname inside a user-controlled directory. A local attacker can exploit this via a Time-of-Check Time-of-Use (TOCTOU) race condition and exchange the socket pathname with a symbolic link pointing to an arbitrary root-owned file (such as /etc/pam.d/su). The daemon subsequently follows the symlink and cha

CVE-2026-88924 est-elle activement exploitée ?

Aucune exploitation active de CVE-2026-88924 n’est confirmée. Son score EPSS était de 0.1 % au 2026-09-28, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2026-88924 ?

CVE-2026-88924 a un score de base CVSS v3 de 7 (gravité HIGH).

CVE-2026-88924 touche-t-elle votre environnement ?

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