SB20250226613 - Integer overflow in Linux kernel watchdog driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226613
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2022-49387)
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to integer overflow within the rzg2l_wdt_wait_delay() function in drivers/watchdog/rzg2l_wdt.c. A local user can execute arbitrary code.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/b95a47667d34e76c2c9013f8e3b1e5039a5a0b76
- https://git.kernel.org/stable/c/e07b9fa0dc32b492de85528caaf9f0c605d8424f
- https://git.kernel.org/stable/c/ea2949df22a533cdf75e4583c00b1ce94cd5a83b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19