CVE-2026-64143 platform/x86: uniwill-laptop: Do not enable the charging limit even when forced
A Linux kernel driver flaw allows permanent battery damage if a specific module parameter is forced, requiring a patch to prevent hardware destruction.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-64143?
CVE-2026-64143 is a medium-severity denial of service vulnerability in Linux kernel, published on 19 Jul 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:
platform/x86: uniwill-laptop: Do not enable the charging limit even when forced
It seems that on some older models (~2020) the battery charging limit can permanently damage the battery. Prevent users from enabling this feature thru the "force" module parameter to avoid causing permanent hardware damage on such devices.
Which versions are affected by CVE-2026-64143?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-64143?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-64143 being exploited?
There is no known exploitation of CVE-2026-64143 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2026-64143, GHSA-w2wv-4g8x-3fv9, UBUNTU-CVE-2026-64143.