CVE-2026-97504 watchdog: lenovo_se10_wdt: Fix use-after-free and resource leak risk
A use-after-free vulnerability in the Lenovo SE10 watchdog driver allows local attackers to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-97504?
CVE-2026-97504 is an use after free vulnerability in Linux, published on 24 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
watchdog: lenovo_se10_wdt: Fix use-after-free and resource leak risk
Review by sashiko.dev highlighted potential use after free and resource leak instances.
Set se10_pdev to null to prevent use after free
Remove DMI call back and instead directly call se10_create_platform_device. Handle error cases appropriately
Which versions are affected by CVE-2026-97504?
How do I fix CVE-2026-97504?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-97504 being exploited?
There is no known exploitation of CVE-2026-97504 in the wild and no public exploit code.
Sources
Also known as AZL-104033, BELL-CVE-2026-97504, DEBIAN-CVE-2026-97504, GHSA-v7pg-j4pp-372x, UBUNTU-CVE-2026-97504.