Improper Check for Unusual or Exceptional Conditions in Linux kernel - CVE-2026-93140
Published: September 18, 2026
Vulnerability identifier: #VU150874
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93140
CWE-ID: CWE-754
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger a spurious kernel warning.
The vulnerability exists due to improper handling of an exceptional I/O condition in the UDF Logical Volume Integrity Descriptor buffer when marking the buffer dirty after a write I/O error. A local user can remount the filesystem read-write or synchronize it to trigger a spurious kernel warning.
Affected software
Linux kernel
How to mitigate CVE-2026-93140
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/11afe1912140f79d5af3091a54b181ef72fce1a5
- https://git.kernel.org/stable/c/359cea636f4a74a96c01a8050f155e12840c079a
- https://git.kernel.org/stable/c/8034ddf4751d9143c5ef7eebe3d4f33218fdd378
- https://git.kernel.org/stable/c/a4c4e38b356ad4c1f90478124922917489137c08
- https://git.kernel.org/stable/c/c4058355d27488a3cd31c60c032335f77c4fdcfc
- https://git.kernel.org/stable/c/e6461ef34f91ad7dbffdf912b3d661a7dd892931
- https://git.kernel.org/stable/c/ee477e5204f764444e60699280abf5936c2a6ae6
- https://git.kernel.org/stable/c/fb0601134c7e51728bd098abc6909315de1e5d86