CVE-2026-97969
kernel: watchdog: msc313e: Fix clock leak and spurious timer in settimeout()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 25, 2026
Updated · September 30, 2026
Description
A flaw was found in the Linux kernel's Mstar MSC313e watchdog driver. When adjusting the watchdog timeout setting, the driver unconditionally activates the timer even if the watchdog device is currently inactive. A local user with access to configure the watchdog device could exploit this flaw to cause an unexpected system reboot leading to a Denial of Service (DoS), or cause an unreleased clock resource leak.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-911 · Improper Update of Reference Count