SB2025062090 - Improper locking in Linux kernel md driver
Published: June 20, 2025
Security Bulletin ID
SB2025062090
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper locking (CVE-ID: CVE-2025-38063)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the __send_empty_flush() function in drivers/md/dm.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2858cda9a8d95e6deee7e3b0a26adde696a9a4f5
- https://git.kernel.org/stable/c/52aa28f7b1708d76e315d78b5ed397932a1a97c3
- https://git.kernel.org/stable/c/88f7f56d16f568f19e1a695af34a7f4a6ce537a6
- https://git.kernel.org/stable/c/95d08924335f3b6f4ea0b92ebfe4fe0731c502d9
- https://git.kernel.org/stable/c/b55a97d1bd4083729a60d19beffe85d4c96680de