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%Risk 0.75
View source- Published
- 2026-06-25 01:16:26
- Affected versions
- <7.9
- Type
- Operating system
- Vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H