CVE-2024-26730 hwmon: (nct6775) Fix access to temperature configuration registers
A local attacker with hardware access could trigger a kernel crash via out-of-bounds memory access in the nct6775 hardware monitoring driver when KASAN is enabled.
- 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-2024-26730?
CVE-2024-26730 is a high-severity memory corruption vulnerability in Linux kernel, published on 3 Apr 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:
hwmon: (nct6775) Fix access to temperature configuration registers
The number of temperature configuration registers does not always match the total number of temperature registers. This can result in access errors reported if KASAN is enabled.
BUG: KASAN: global-out-of-bounds in nct6775_probe+0x5654/0x6fe9 nct6775_core
Weakness: CWE-787
Which versions are affected by CVE-2024-26730?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-26730?
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-2024-26730 being exploited?
There is no known exploitation of CVE-2024-26730 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-26730, DEBIAN-CVE-2024-26730, GHSA-q4mr-gm7x-h58f, UBUNTU-CVE-2024-26730.