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CVE-2026-57589
7.4 HIGH
- CVSS version (CVSS): 3.1
- Attack Vector (AV): Local (L)
- Attack Complexity (AC): High (H)
- Privileges Required (PR): None (N)
- User Interaction (UI): None (N)
- Scope (S): Unchanged (U)
- Confidentiality (C): High (H)
- Integrity (I): High (H)
- Availability (A): High (H)
- Modified Attack Vector (MAV): Local (L)
- Modified Attack Complexity (MAC): High (H)
- Modified Privileges Required (MPR): None (N)
- Modified User Interaction (MUI): None (N)
- Modified Confidentiality (MC): High (H)
- Modified Scope (MS): Unchanged (U)
- Modified Integrity (MI): High (H)
- Modified Availability (MA): High (H)
Activity log
- Created suggestion
sys/kern/sysv_sem.c in OpenBSD through 7.9 has a use-after-free allowing local …
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
Affected products
OpenBSD
- =<7.9
Matching in nixpkgs
pkgs.netcat-openbsd
TCP/IP swiss army knife. OpenBSD variant
Package maintainers
-
@jwillikers Jordan Williams <jordan@jwillikers.com>
-
@Artturin Artturi N <artturin@artturin.com>