SB20250327100 - Use-after-free in Linux kernel nfc
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250327100
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-53023)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the local_cleanup() function in net/nfc/llcp_core.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4bb4db7f3187c6e3de6b229ffc87cdb30a2d22b6
- https://git.kernel.org/stable/c/54f7be61584b8ec4c6df405f479495b9397bae4a
- https://git.kernel.org/stable/c/7f129927feaf7c10b1c38bbce630172e9a08c834
- https://git.kernel.org/stable/c/a59cdbda3714e11aa3ab579132864c4c8c6d54f9
- https://git.kernel.org/stable/c/ad1baab3a5c03692d22ce446f38596a126377f6a
- https://git.kernel.org/stable/c/b09ae26f08aaf2d85f96ea7f90ddd3387f62216f
- https://git.kernel.org/stable/c/d3605282ec3502ec8847915eb2cf1f340493ff79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.9