Resource management error in Linux kernel - CVE-2025-21837
Published: March 10, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU105471
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2025-21837
CWE-ID: CWE-399
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 corrupt data.
The vulnerability exists due to improper management of internal resources within the io_uring_cmd_done(), io_uring_cmd_prep_setup() and io_uring_cmd() functions in io_uring/uring_cmd.c. A local user can corrupt data.
How to mitigate CVE-2025-21837
Install update from vendor's website.