Improper locking in Linux kernel - CVE-2025-38063
Published: June 20, 2025
Vulnerability identifier: #VU111600
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-38063
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2025-38063
Install update from vendor's repository.
Sources
- 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