CVE-2024-35796 net: ll_temac: platform_get_resource replaced by wrong function
A null pointer dereference in the Linux kernel's ll_temac network driver can cause a system crash, requiring a kernel patch.
- 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-2024-35796?
CVE-2024-35796 is a medium-severity vulnerability in Debian Debian Linux, published on 17 May 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:
net: ll_temac: platform_get_resource replaced by wrong function
The function platform_get_resource was replaced with devm_platform_ioremap_resource_byname and is called using 0 as name.
This eventually ends up in platform_get_resource_byname in the call stack, where it causes a null pointer in strcmp.
if (type == resource_type(r) && !strcmp(r->name, name))
It should have been replaced with devm_platform_ioremap_resource.
Weakness: CWE-476
Which versions are affected by CVE-2024-35796?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-35796?
Apply the vendor's patch.
Is CVE-2024-35796 being exploited?
There is no known exploitation of CVE-2024-35796 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-35796, DEBIAN-CVE-2024-35796, GHSA-mr3m-f78x-6fhf, UBUNTU-CVE-2024-35796.