CVE-2026-68475 reset: sunxi: fix memory region leak on ioremap failure
A resource leak in the Linux kernel's sunxi reset driver can lead to memory exhaustion and denial of service if ioremap fails.
- 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-2026-68475?
CVE-2026-68475 is a denial of service 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:
reset: sunxi: fix memory region leak on ioremap failure
In sunxi_reset_init(), when ioremap() fails, the memory region obtained via request_mem_region() is not released, leading to a resource leak.
Add an err_mem_region label to properly release the memory region before freeing the data structure.
Which versions are affected by CVE-2026-68475?
How do I fix CVE-2026-68475?
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-2026-68475 being exploited?
There is no known exploitation of CVE-2026-68475 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2026-68475, DEBIAN-CVE-2026-68475, GHSA-8wmf-545f-95hv, UBUNTU-CVE-2026-68475.