#VU104934 Memory leak in Linux kernel - CVE-2025-21737
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104934
Vulnerability risk: Low
CVSSv4.0: 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-2025-21737
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ceph_mds_auth_match() function in fs/ceph/mds_client.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/146109fe936ac07f8f60cd6267543688985b96bc
- https://git.kernel.org/stable/c/2b6086c5efe5c7bd6e0eb440d96c26ca0d20d9d7
- https://git.kernel.org/stable/c/3b7d93db450e9d8ead80d75e2a303248f1528c35
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14