SB20250502205 - NULL pointer dereference in Linux kernel net
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502205
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) NULL pointer dereference (CVE-ID: CVE-2025-23143)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sock_lock_init() and sk_prot_free() functions in net/core/sock.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/0bb2f7a1ad1f11d861f58e5ee5051c8974ff9569
- https://git.kernel.org/stable/c/2155802d3313d7b8365935c6b8d6edc0ddd7eb94
- https://git.kernel.org/stable/c/5f7f6abd92b6c8dc8f19625ef93c3a18549ede04
- https://git.kernel.org/stable/c/c11247a21aab4b50a23c8b696727d7483de2f1e1
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.12