GoKawiilCVE-2026-57589 Detail Awaiting Enrichment This CVE record has been marked for NVD enrichment efforts. 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().
Metrics CVSS Version 4.0 CVSS Version 3.x CVSS Version 2.0 NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed. CVSS 4.0 Severity and Vector Strings:
NIST: NVD N/A NVD assessment not yet provided. CVSS 3.x Severity and Vector Strings:
NIST: NVD Base Score: N/A NVD assessment not yet provided.
CNA: MITRE Base Score: 7.4 HIGH Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS 2.0 Severity and Vector Strings:
NIST: NVD Base Score: N/A NVD assessment not yet provided. Weakness Enumeration CWE-ID CWE Name Source CWE-416 Use After Free MITRE Change History 3 change records found show changes CVE Modified by CISA-ADP 6/26/2026 1:16:31 AM Action Type Old Value New Value Changed SSVC {"timestamp":"2026-06-25T12:34:51.474289Z","id":"CVE-2026-57589","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
{"timestamp":"2026-06-25T00:00:00+00:00","id":"CVE-2026-57589","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
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