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CVE-2026-57589

OpenBSD

Description

sys/kern/sysv_sem.c in OpenBSD through 7.9 has a use-after-free allowing local privilege escalation to root. This is a context switch use-after-free after tsleep in sys_semget().

CVSS 7.4EPSS 0.116%Risque 0.75
Voir la source
Publication
2026-06-25 01:16:26
Versions concernées
<7.9
Type
Système d’exploitation
Vecteur
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H