Improper Check for Unusual or Exceptional Conditions in Linux kernel - CVE-2026-93140

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

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.

Linux kernel
Debian Linux
Ubuntu
linux-nvidia-tegra-igx (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-nvidia-tegra-5.15 (Ubuntu package)
linux-azure-fde (Ubuntu package)
linux (Ubuntu package)
linux-oracle (Ubuntu package)
linux-gcp (Ubuntu package)
linux-aws (Ubuntu package)
linux-ibm (Ubuntu package)
linux-hwe-7.0 (Ubuntu package)
linux-oem-7.0 (Ubuntu package)
linux (Debian package)

Install security update from vendor's repository.

linux-nvidia-tegra-igx (Ubuntu package) - update to 5.15.0-1059.59
linux-nvidia-tegra (Ubuntu package) - update to 5.15.0-1070.72
linux-nvidia-tegra-5.15 (Ubuntu package) - update to 5.15.0-1070.72~20.04.1
linux-azure-fde (Ubuntu package) - update to 5.15.0-1124.133
linux (Ubuntu package) - update to 7.0.0-42.42
linux-oracle (Ubuntu package) - update to 7.0.0-1015.16
linux-gcp (Ubuntu package) - update to 7.0.0-1016.18
linux-aws (Ubuntu package) - update to 7.0.0-1016.17
linux-ibm (Ubuntu package) - update to 7.0.0-1017.17
linux-hwe-7.0 (Ubuntu package) - update to 7.0.0-42.42~24.04.1
linux-oem-7.0 (Ubuntu package) - update to 7.0.0-1017.17
linux (Debian package) - update to 6.12.111-1

• 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

• Improper Check for Unusual or Exceptional Conditions in Linux kernel udf
• Debian update for linux
• Ubuntu update for linux-azure-fde
• Ubuntu update for linux-oem-7.0
• Ubuntu update for linux, linux-aws, linux-gcp and more
• Ubuntu update for linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-nvidia-tegra-igx
• Ubuntu update for linux, linux-aws, linux-aws-5.15 and more