Another Universal Linux Local Privilege Escalation (LPE) Vulnerability: Dirty Frag, (Fri, May 8th)
2026-05-09T13:23:46Z•0cabba7a16c9ac0e92c2924f3f5dc8915ac4d9b07e8e631a3350628b1af95f5b
Hyunwoo-KimLPEcopy-faildirty-fragescalation-to-rootkernellinuxlocal-privilege-escalationmitigationpatchprivilege-escalationvulnerability-disclosure
What happened
A new Linux kernel local privilege escalation (LPE) dubbed "Dirty Frag" was disclosed on May 8, 2026 by Hyunwoo Kim (@v4bel). The diary explains Dirty Frag, its relationship to the recently disclosed Copy Fail issue (CVE-2026-31431), and provides mitigation guidance and recommended next steps for system owners (patching/upgrading kernels, restricting untrusted local access, and applying hardening controls).
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- 0cabba7a16c9ac0e92c2924f3f5dc8915ac4d9b07e8e631a3350628b1af95f5b
- Enrichment time
- 2026-05-09T13:23:46Z
- AI-assisted enrichment
- Yes
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