CVE-2026-80565 crypto: qce - fix error path in devm_qce_register_algs
A logic error in the Linux kernel's QCE crypto driver error handling can lead to improper resource cleanup, potentially causing a denial of service.
- 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-2026-80565?
CVE-2026-80565 is a high-severity vulnerability in Linux, published on 26 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:
crypto: qce - fix error path in devm_qce_register_algs
If ops->register_algs() fails, the error path repeatedly calls the same ops->unregister_algs() from the failed registration. Use the loop index to unregister the previously registered algorithms instead.
Which versions are affected by CVE-2026-80565?
How do I fix CVE-2026-80565?
Apply the vendor's patch.
Is CVE-2026-80565 being exploited?
There is no known exploitation of CVE-2026-80565 in the wild and no public exploit code.
Sources
Also known as AZL-97698, BELL-CVE-2026-80565, DEBIAN-CVE-2026-80565, GHSA-5465-f6h2-xr5j, UBUNTU-CVE-2026-80565.