Another Universal Linux Local Privilege Escalation (LPE) Vulnerability: Dirty Frag, (Fri, May 8th)
2026-05-08T19:23:48Z•b8d1ebfb6681cb9ca3bea7bf227aacc1a08905223d74003d1e16717347e2bc14
Copy FailDirty FragHyunwoo KimLPESANS ISCkernellinuxlocal privilege escalationmitigationvulnerability
What happened
SANS ISC reports a newly disclosed universal Linux local privilege escalation (LPE) vulnerability called “Dirty Frag,” discovered and reported by Hyunwoo Kim (v4bel). The diary provides background on Dirty Frag, discusses its relationship to the recently disclosed Copy Fail vulnerability (CVE-2026-31431), and outlines mitigation steps and recommended next actions for system owners (patching, kernel updates, and reducing local attack surface).
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- b8d1ebfb6681cb9ca3bea7bf227aacc1a08905223d74003d1e16717347e2bc14
- Enrichment time
- 2026-05-08T19:23:48Z
- AI-assisted enrichment
- Yes
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