SB2024060125 - NULL pointer dereference in Linux kernel events intel
Published: June 1, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-52450)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the discover_upi_topology() function in arch/x86/events/intel/uncore_snbep.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/bf1bf09e6b599758851457f3999779622a48d015
- https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e
- https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8