SB20240620195 - NULL pointer dereference in Linux kernel events intel
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620195
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-2022-48713)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the pt_handle_status() function in arch/x86/events/intel/pt.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/456f041e035913fcedb275aff6f8a71dfebcd394
- https://git.kernel.org/stable/c/e83d941fd3445f660d2f43647c580a320cc384f6
- https://git.kernel.org/stable/c/feffb6ae2c80b9a8206450cdef90f5943baced99
- https://git.kernel.org/stable/c/1d9093457b243061a9bba23543c38726e864a643
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.99
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17