CVE-2026-89485 lockd: pin next file across nlm_inspect_file lock-drop

In the Linux kernel, the following vulnerability has been resolved: lockd: pin next file across nlminspectfile lock-drop nlmtraversefiles pins the current file with fcount++ across a mutexunlock for nlminspectfile, but nothing pins the saved next pointer. A concurrent nlmreleasefile can kfree the...

UBUNTU-CVE-2026-46242

In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix epremove struct eventpoll / struct file UAF epremove via epremovefile cleared file-fep under file-flock but then kept using @file inside the critical section isfileepoll, hlistdelrcu through the head, spinunlock. A...

CVE-2026-46242

In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix epremove struct eventpoll / struct file UAF epremove via epremovefile cleared file-fep under file-flock but then kept using @file inside the critical section isfileepoll, hlistdelrcu through the head, spinunlock. A...

EUVD-2026-33459

In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix epremove struct eventpoll / struct file UAF epremove via epremovefile cleared file-fep under file-flock but then kept using @file inside the critical section isfileepoll, hlistdelrcu through the head, spinunlock. A...

CVE-2026-46242 eventpoll: fix ep_remove struct eventpoll / struct file UAF

In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix epremove struct eventpoll / struct file UAF epremove via epremovefile cleared file-fep under file-flock but then kept using @file inside the critical section isfileepoll, hlistdelrcu through the head, spinunlock. A...

CVE-2026-46242

Summary (CVE-2026-46242) : The Linux kernel contains a fix for a UAF in eventpoll related to ep_remove. The bug arose when ep_remove_file() cleared file->f_ep under file->f_lock but continued using @file inside the critical section, allowing a concurrent path to reach freed memory via f_op-...

CVE-2026-46242 eventpoll: fix ep_remove struct eventpoll / struct file UAF

In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix epremove struct eventpoll / struct file UAF epremove via epremovefile cleared file-fep under file-flock but then kept using @file inside the critical section isfileepoll, hlistdelrcu through the head, spinunlock. A...

PT-2026-45095

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.4 through 6.12.67 Description A race condition in the epoll subsystem leads to a use-after-free UAF scenario. The ep remove function via ep remove file clears file-f ep under file-f lock but continues to use the @file...