CVE-2026-64133 ALSA: asihpi: Fix potential OOB array access at reading cache
A missing bounds check in the ALSA asihpi driver allows out-of-bounds array access, potentially leading to system crashes or code execution.
- 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-2026-64133?
CVE-2026-64133 is a high-severity memory corruption 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:
ALSA: asihpi: Fix potential OOB array access at reading cache
find_control() to retrieve a cached info accesses the array with the given index blindly, which may lead to an OOB array access. Add a sanity check for avoiding it.
Weakness: CWE-125
Which versions are affected by CVE-2026-64133?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-64133?
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-2026-64133 being exploited?
There is no known exploitation of CVE-2026-64133 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-92727, BELL-CVE-2026-64133, DEBIAN-CVE-2026-64133, GHSA-83jv-88wq-p97h, UBUNTU-CVE-2026-64133.