SB2024020157 - Local denial of service in Linux kernel DPLL
Published: February 1, 2024
Security Bulletin ID
SB2024020157
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-2023-6679)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the dpll_pin_parent_pin_set() function in drivers/dpll/dpll_netlink.c in the Digital Phase Locked Loop (DPLL) subsystem. A local user can pass specially crafted data to the driver and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.