CVE-2023-3359 Null dereference in Kernel
A missing check for kzalloc return value in the Linux kernel brcm_nvram driver allows attackers to cause a denial of service via null pointer dereference.
- 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-2023-3359?
CVE-2023-3359 is a medium-severity vulnerability in Linux kernel, published on 28 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in the Linux kernel brcm_nvram_parse in drivers/nvmem/brcm_nvram.c. Lacks for the check of the return value of kzalloc() can cause the NULL Pointer Dereference.
Weakness: CWE-476
Which versions are affected by CVE-2023-3359?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-3359?
Apply the vendor's patch.
Is CVE-2023-3359 being exploited?
There is no known exploitation of CVE-2023-3359 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-27332, AZL-27347, DEBIAN-CVE-2023-3359, GHSA-hg6h-cj3j-wp77, UBUNTU-CVE-2023-3359.