CVE-2025-38173 crypto: marvell/cesa - Handle zero-length skcipher requests
A local attacker can cause a denial of service by triggering a zero-length skcipher request in the Marvell CESA crypto driver, leading to random memory access.
- 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-2025-38173?
CVE-2025-38173 is a high-severity vulnerability in Debian Debian Linux, published on 3 Jul 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: marvell/cesa - Handle zero-length skcipher requests
Do not access random memory for zero-length skcipher requests. Just return 0.
Which versions are affected by CVE-2025-38173?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38173?
Apply the vendor's patch.
Is CVE-2025-38173 being exploited?
There is no known exploitation of CVE-2025-38173 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-64520, BELL-CVE-2025-38173, DEBIAN-CVE-2025-38173, GHSA-p2cx-8cg7-m2r4, ROOT-OS-DEBIAN-11-CVE-2025-38173, ROOT-OS-DEBIAN-12-CVE-2025-38173 and 3 more.