Race condition in Linux kernel - CVE-2026-72096
Published: August 16, 2026
Vulnerability details
The vulnerability allows a local attacker to bypass audit logging of corrupted block errors.
The vulnerability exists due to a race condition in dm-verity error handling in drivers/md/dm-verity-target.c when handling concurrent corrupted block errors. A local attacker can trigger concurrent error conditions to bypass audit logging of corrupted block errors.
Affected software
Ubuntu
linux-gcp-7.0 (Ubuntu package)
linux-azure-7.0 (Ubuntu package)
How to mitigate CVE-2026-72096
linux-gcp-7.0 (Ubuntu package) - addressed in versions 7.0.0-38.38~24.04.4, 7.0.0-1013.13~24.04.1, 7.0.0-1014.14~24.04.1
linux-azure-7.0 (Ubuntu package) - addressed in versions 7.0.0-1016.16~24.04.1, 7.0.0-1017.17~24.04.1
External References
- https://git.kernel.org/stable/c/089e05b644d5aa786c21af467c80b24d691becb1
- https://git.kernel.org/stable/c/3303e5c6501e3638ded8e9402d703805b00ce64e
- https://git.kernel.org/stable/c/752e214b2c6f15b40b0d873a2ce27733ce0884c6
- https://git.kernel.org/stable/c/8ec4d9c5a5cf4b61fc087f871465b1f79b393325
- https://git.kernel.org/stable/c/ac99781115d37d10894653b47941d9d8fc26fa64