SB20250620102 - Double free in Linux kernel net
Published: June 20, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250620102
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free (CVE-ID: CVE-2022-50163)
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 website.
References
- 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