CVE-2025-39789 crypto: x86/aegis - Add missing error checks
Missing error checks in the Linux kernel's x86/aegis crypto module can lead to null pointer dereferences and system crashes.
- 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-2025-39789?
CVE-2025-39789 is a high-severity vulnerability in Linux kernel, published on 11 Sep 2025. 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: x86/aegis - Add missing error checks
The skcipher_walk functions can allocate memory and can fail, so checking for errors is necessary.
Which versions are affected by CVE-2025-39789?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-39789?
Apply the vendor's patch.
Is CVE-2025-39789 being exploited?
There is no known exploitation of CVE-2025-39789 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-67202, AZL-70837, BELL-CVE-2025-39789, DEBIAN-CVE-2025-39789, GHSA-cr35-g722-63q3, ROOT-OS-DEBIAN-11-CVE-2025-39789 and 5 more.