CVE-2026-43284
Dirty Frag — Linux kernel xfrm-ESP page-cache write primitive, LPE (ITW, PoC public)
First seen
2026-05-09
Last seen
2026-05-09
Appearances
1
External references
All cited sources for this CVE (5)
- wiz.ioprimaryWiz Research, 2026-05-08https://www.wiz.io/blog/dirty-frag-linux-kernel-local-privilege-escalation-via-esp-and-rxrpc
- github.comResearcher write-up (V4bel), 2026-05-07https://github.com/V4bel/dirtyfrag/blob/master/assets/write-up.md
- helpnetsecurity.comHelp Net Security, 2026-05-08https://www.helpnetsecurity.com/2026/05/08/dirty-frag-linux-vulnerability-cve-2026-43284-cve-2026-43500/
- microsoft.comMicrosoft Security Blog, 2026-05-08https://www.microsoft.com/en-us/security/blog/2026/05/08/active-attack-dirty-frag-linux-vulnerability-expands-post-compromise-risk/
- security-hub.ncsc.admin.chNCSC-CH advisory 12547, 2026-05-08https://security-hub.ncsc.admin.ch/api/posts/12547/details
Brief appearances
- CTI Daily Brief — 2026-05-092026-05-09