SB20240531508 - NULL pointer dereference in Linux kernel trace
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531508
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-2024-26703)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the timerlat_fd_open() and timerlat_fd_read() functions in kernel/trace/trace_osnoise.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/5f703935fdb559642d85b2088442ee55a557ae6d
- https://git.kernel.org/stable/c/2354d29986ebd138f89c2b73fecf8237e0a4ad6b
- https://git.kernel.org/stable/c/1389358bb008e7625942846e9f03554319b7fecc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8