douglasmun/pagecache-lpe-containment-kit

PoC

Educational, defensive kit for two Linux page-cache-corruption LPEs (DirtyClone CVE-2026-43503, pedit COW CVE-2026-46331): hardening, detection, verification, seccomp + validation harness. Detection and prevention only — no exploit code. TLP:CLEAR.

view exploit source poc_in_githubauthor douglasmunpublished 2026-06-27catalog poc_in_github

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2026-43503US	—	1.99% (81st)	Exploit	2026-05-23
In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers (__pskb_copy…

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