CVE-2026-53381

A flaw was found in the virtiofs component of the Linux kernel. A use-after-free UAF vulnerability exists during submount unmount operations. This occurs because the iput function, called from fusereleaseend, can attempt to access a super block that has already been destroyed. This can lead to a...

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...

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

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 ...

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...

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 problem occurs when iput is called from fuse release end, which can lead to a system...

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. - 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 waiti...

Security update for buildkit

This update for buildkit fixes the following issues: Update to version 0.12.5: update runc to v1.1.12 exec: add extra validation for submount sources fixes CVE-2024-23651, bsc1219267 oci: fix error handling on submount calls executor: recheck mount stub path within root after container run fixes...