CVE-2026-72077 Input: ims-pcu - fix firmware leak in async update
A memory leak in the Linux kernel ims-pcu driver allows attackers to cause denial of service or read sensitive firmware data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-72077?
CVE-2026-72077 is a memory corruption vulnerability in Linux, published on 15 Aug 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:
Input: ims-pcu - fix firmware leak in async update
The firmware object was not being released if validation failed. Use __free(firmware) to ensure the firmware is always released.
Which versions are affected by CVE-2026-72077?
How do I fix CVE-2026-72077?
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-2026-72077 being exploited?
There is no known exploitation of CVE-2026-72077 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-72077, DEBIAN-CVE-2026-72077, GHSA-h3wj-cv4f-364h, UBUNTU-CVE-2026-72077.