PT-2026-52158 · Openbsd · Openbsd

Publicado 2026-06-25 · Atualizado 2026-06-25 · CVE-2026-57589

Mitre

CVSS v3.1

7.4

Alta

Vetor base

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

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().

Correção

Use After Free

Enumeração de Fraquezas

CWE-416

Identificadores relacionados

CVE-2026-57589

Produtos afetados

Openbsd

Referências · 3

• https://github.com/openbsd/src/commit/1957873d2063db11dab780eca75b5e629d1e838d · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-57589 · Nota de Segurança
• https://openai.com/index/patch-the-planet · Nota