SB2025102351 - NULL pointer dereference in Linux kernel trace
Published: October 23, 2025 Updated: October 26, 2025
Security Bulletin ID
SB2025102351
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-2023-53718)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the update_max_tr_single() function in kernel/trace/trace.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/02e52d7daaa3f0f48819f198092cf4871065bbf7
- https://git.kernel.org/stable/c/128c06a34cfe55212632533a706b050d54552741
- https://git.kernel.org/stable/c/49b830d75f03d5dd41146d10e4d3e2a8211c4b94
- https://git.kernel.org/stable/c/66a3b2a121386702663065d5c9e5a33c03d3f4a2
- https://git.kernel.org/stable/c/8a96c0288d0737ad77882024974c075345c72011
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.192
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.128
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.47
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.4.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5