Tag

#privilege-escalation

1 story tagged privilege-escalation.

Abstract visualization of the Bad Epoll CVE-2026-46242 race condition in the Linux kernel epoll subsystem, showing overlapping execution threads colliding in a narrow six-instruction window that triggers a use-after-free granting root access on v6.4+ kernels including Android.

Bad Epoll kernel flaw CVE-2026-46242 roots Linux and Android

Bad Epoll (CVE-2026-46242) is a Linux epoll use-after-free giving unprivileged users root on v6.4+ kernels and Android. No workaround exists. Apply patch a6dc643c6931 now.

Lars Cornelissen · Jul 5, 2026