#VU104942 Memory leak in Linux kernel - CVE-2025-21792
Published: February 27, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104942
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-2025-21792
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 ax25_setsockopt() function in net/ax25/af_ax25.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/470bda72fda0fcf54300466d70ce2de62f7835d2
- https://git.kernel.org/stable/c/90056ece99966182dc0e367f3fd2afab46ada847
- https://git.kernel.org/stable/c/94a0de224ed52eb2ecd4f4cb1b937b674c9fb955
- https://git.kernel.org/stable/c/b58f7ca86a7b8e480c06e30c5163c5d2f4e24023
- https://git.kernel.org/stable/c/bca0902e61731a75fc4860c8720168d9f1bae3b6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.79