CVE-2026-23187 pmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains
An out-of-bounds read in the i.MX8M block control driver can cause a kernel crash or leak memory, requiring a patch.
- 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-2026-23187?
CVE-2026-23187 is a high-severity memory corruption vulnerability in Linux kernel, published on 14 Feb 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:
pmdomain: imx8m-blk-ctrl: fix out-of-range access of bc->domains
Fix out-of-range access of bc->domains in imx8m_blk_ctrl_remove().
Weakness: CWE-125
Which versions are affected by CVE-2026-23187?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-23187?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-23187 being exploited?
There is no known exploitation of CVE-2026-23187 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-77673, BELL-CVE-2026-23187, DEBIAN-CVE-2026-23187, GHSA-48gf-xj76-5v9h, ROOT-OS-DEBIAN-12-CVE-2026-23187, ROOT-OS-DEBIAN-13-CVE-2026-23187 and 2 more.