SB2024062167 - Use-after-free in Linux kernel watchdog driver
Published: June 21, 2024 Updated: May 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-38630)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the cpu5wdt_exit() function in drivers/watchdog/cpu5wdt.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/9b1c063ffc075abf56f63e55d70b9778ff534314
- https://git.kernel.org/stable/c/f19686d616500cd0d47b30cee82392b53f7f784a
- https://git.kernel.org/stable/c/573601521277119f2e2ba5f28ae6e87fc594f4d4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.33