CVE-2024-39478 crypto: starfive - Do not free stack buffer
A memory corruption vulnerability in the Linux kernel's StarFive crypto driver allows attackers to cause undefined behavior or system crashes by triggering a stack buffer free.
- 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-2024-39478?
CVE-2024-39478 is a high-severity memory corruption vulnerability in Linux kernel, published on 5 Jul 2024. 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: starfive - Do not free stack buffer
RSA text data uses variable length buffer allocated in software stack. Calling kfree on it causes undefined behaviour in subsequent operations.
Weakness: CWE-770
Which versions are affected by CVE-2024-39478?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-39478?
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-2024-39478 being exploited?
There is no known exploitation of CVE-2024-39478 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-62618, BELL-CVE-2024-39478, DEBIAN-CVE-2024-39478, GHSA-vfcx-wcgr-9vc5, UBUNTU-CVE-2024-39478.