CVE-2026-98990

A flaw was found in the Linux kernel. A local user can trigger a Denial of Service DoS or unexpected system behavior by unmounting filesystem submounts that are still actively in use. During the removal of propagating mount trees, the kernel fails to verify that a submount is free of active...

PT-2026-121955

In the Linux kernel, the following vulnerability has been resolved: namespace: never expire a locked mount Locked mounts are special. They protect the underlying files and directories from being revealed. do umount refuses to unmount locked mounts but shrink submounts doesn't. A shrinkable mount...

SUSE CVE-2026-53381

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

CVE-2026-53381

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

CVE-2026-53381 virtiofs: fix UAF on submount umount

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

CVE-2026-53381 virtiofs: fix UAF on submount umount

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

EUVD-2026-45503

In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super block has already been destroyed. Normally this is prevented by waiting for numwaiting to go down to zero before commencing with super blo...

CVE-2026-53381

The CVE-2026-53381 issue affects the Linux kernel’s virtiofs path for submount umount. The root cause is a use-after-free (UAF) in iput() invoked from fuse_release_end() when the superblock has already been destroyed; the existing safeguard (wait for num_waiting to drop to zero) only covered the ...

Linux Distros Unpatched Vulnerability : CVE-2026-53381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput called from fusereleaseend can Oops if the super...

PT-2026-61086

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the virtiofs component during submount umount operations. The iput function, when called from fuse release end, can cause a system crash Oops if the...