#VU111610 Double free in Linux kernel - CVE-2022-50163
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111610
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-2022-50163
CWE-ID: CWE-415
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 a double free error within the ax25_release() and ax25_bind() functions in net/ax25/af_ax25.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/4294df1374450912b2f64ee3cf575069fc784679
- https://git.kernel.org/stable/c/d08e3d71e5942f77fbff7f3529ed7fc82fbb3dfa
- https://git.kernel.org/stable/c/d7c4c9e075f8cc6d88d277bc24e5d99297f03c06
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0