CVE-2024-38579 crypto: bcm - Fix pointer arithmetic
A pointer arithmetic error in the Linux kernel's BCM crypto driver allows out-of-bounds access, potentially leading to code execution or 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-2024-38579?
CVE-2024-38579 is a medium-severity memory corruption vulnerability in Linux kernel, published on 19 Jun 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: bcm - Fix pointer arithmetic
In spu2_dump_omd() value of ptr is increased by ciph_key_len instead of hash_iv_len which could lead to going beyond the buffer boundaries. Fix this bug by changing ciph_key_len to hash_iv_len.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Which versions are affected by CVE-2024-38579?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-38579?
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-2024-38579 being exploited?
There is no known exploitation of CVE-2024-38579 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-38579, DEBIAN-CVE-2024-38579, GHSA-676m-39hm-wg2r, UBUNTU-CVE-2024-38579.