Security · 2h ago
Linux 'pedit COW' Exploit Grants Root via Cache Poisoning
A local unprivileged user can gain root on Linux systems using CVE-2026-46331, an out-of-bounds write in the packet-editing action (act_pedit). The flaw corrupts shared page-cache memory, and a working exploit appeared within a day of the CVE assignment on June 16. Red Hat rates the flaw as high severity.
Meridian48 take
The exploit's rapid public release underscores the risk of memory-safety bugs in kernel subsystems, even those as niche as traffic control.
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New Linux pedit COW Exploit Enables Root Access by Poisoning Cached Binaries →
The Hacker News
linux-kernelprivilege-escalation