SB20260816437 - Race condition in Linux kernel md driver
Published: August 16, 2026
Security Bulletin ID
SB20260816437
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Race condition (CVE-ID: CVE-2026-72096)
CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
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.
Remediation
Install update from vendor's website.
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