CVE-2026-89745

A flaw was found in the Linux kernel's debugfs component. The lockdown mechanism, designed to enhance system integrity, did not properly account for files using the mmapprepare operation. This oversight could allow an attacker to bypass kernel lockdown restrictions when the system is operating in...

CVE-2026-89745

This Linux kernel vulnerability affects the debugfs subsystem. A prior commit changed relayfs from using the mmap file operation to mmap_prepare, but the corresponding lockdown check in debugfs was not updated. As a result, when the kernel is in integrity mode , debugfs fails to lock down files t...

EUVD-2026-76657

In the Linux kernel, the following vulnerability has been resolved: debugfs: Fix lockdown check for mmapprepare Commit 651fdda8406d "relay: update relay to use mmapprepare" changed the mmap file operation to mmapprepare for relayfs, but the lockdown check in debugfs was not updated accordingly...

CVE-2026-89745 debugfs: Fix lockdown check for mmap_prepare

In the Linux kernel, the following vulnerability has been resolved: debugfs: Fix lockdown check for mmapprepare Commit 651fdda8406d "relay: update relay to use mmapprepare" changed the mmap file operation to mmapprepare for relayfs, but the lockdown check in debugfs was not updated accordingly...

PT-2026-90461

In the Linux kernel, the following vulnerability has been resolved: debugfs: Fix lockdown check for mmap prepare Commit 651fdda8406d "relay: update relay to use mmap prepare" changed the mmap file operation to mmap prepare for relayfs, but the lockdown check in debugfs was not updated accordingly...