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cve recordhigh

CVE-2026-57589

openbsd · openbsd

Published
CVSS7.4
Severityhigh
WeaknessCWE-416
ExploitedNot in CISA KEV

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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().

References

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