CVE-2026-72274 fbdev: hecubafb: fix potential memory leak in hecubafb_probe()
A memory leak in the hecubafb driver probe function can lead to resource exhaustion and denial of service.
- 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-2026-72274?
CVE-2026-72274 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:
fbdev: hecubafb: fix potential memory leak in hecubafb_probe()
The memory allocated for pagerefs in fb_deferred_io_init() is not freed on the error path. Fix it by calling fb_deferred_io_cleanup().
Which versions are affected by CVE-2026-72274?
How do I fix CVE-2026-72274?
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-2026-72274 being exploited?
There is no known exploitation of CVE-2026-72274 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-72274, DEBIAN-CVE-2026-72274, GHSA-8c2f-hpj7-xhmh, UBUNTU-CVE-2026-72274.