NULL pointer dereference in Linux kernel - CVE-2024-26703
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90606
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26703
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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.
External links
- 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