tag
Page-Cache-Overwrite
CVE-2026-43494
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HIGH
PinTheft: RDS zcopy Refcount-Steal Double-Free LPE — Pure NASM Rewrite (CVE-2026-43494)
This is a hand-written, dependency-free x86-64 NASM rewrite of the "PinTheft" Linux local privilege escalation exploit (originally published as PinTheft-go). It targets a refcount double-drop in the RDS zerocopy send path (rdsmessagezcopyfromuser()), which is…
Patched
2026-07-05
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HIGH
PinTheft: RDS Double-Free → LPE
PinTheft is a Linux local privilege escalation exploit targeting a double-free in the RDS zerocopy send path (rdsmessagezcopyfromuser()). When a multi-page zerocopy send faults on a later page, the error path drops already-pinned pages, but RDS message…
Unverified
2026-05-20