CVE-2026-43487 ata: libata-core: Disable LPM on ST1000DM010-2EP102
A specific hard drive model causes random system freezes due to Link Power Management issues, requiring a kernel patch to disable LPM for stability.
- 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-2026-43487?
CVE-2026-43487 is a medium-severity denial of service vulnerability in Linux kernel, published on 13 May 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:
ata: libata-core: Disable LPM on ST1000DM010-2EP102
According to a user report, the ST1000DM010-2EP102 has problems with LPM, causing random system freezes. The drive belongs to the same BarraCuda family as the ST2000DM008-2FR102 which has the same issue.
Which versions are affected by CVE-2026-43487?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-43487?
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-2026-43487 being exploited?
There is no known exploitation of CVE-2026-43487 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-43487, DEBIAN-CVE-2026-43487, GHSA-6v94-wv84-hjg5, UBUNTU-CVE-2026-43487.