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THREAT OPS › Threat News › [NVD] CVE-2026-53381 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput() called from fuse_release_end() can Oops if the super block has already been destroyed. Normally this is prevented by waiting for num_waiting to go down to zero befor

[NVD] CVE-2026-53381 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: virtiofs: fix UAF on submount umount iput() called from fuse_release_end() can Oops if the super block has already been destroyed. Normally this is prevented by waiting for num_waiting to go down to zero befor

mednvdPublished 2026-07-19

CVE-2026-53381 CVSS: 7.8 HIGH Published: 2026-07-19T12:16:48.807

In the Linux kernel, the following vulnerability has been resolved:

virtiofs: fix UAF on submount umount

iput() called from fuse_release_end() can Oops if the super block has already been destroyed. Normally this is prevented by waiting for num_waiting to go down to zero before commencing with super block shutdown.

This only wor

Indicators of compromise

CVE-2026-53381cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-53381