CVE-2024-46768 hwmon: (hp-wmi-sensors) Check if WMI event data exists
A missing null check in the HP WMI sensors driver allows a local attacker to cause a kernel crash by triggering a WMI event with no data.
- 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-2024-46768?
CVE-2024-46768 is a medium-severity vulnerability in Linux kernel, published on 18 Sep 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: (hp-wmi-sensors) Check if WMI event data exists
The BIOS can choose to return no event data in response to a WMI event, so the ACPI object passed to the WMI notify handler can be NULL.
Check for such a situation and ignore the event in such a case.
Weakness: CWE-476
Which versions are affected by CVE-2024-46768?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-46768?
Apply the vendor's patch.
Is CVE-2024-46768 being exploited?
There is no known exploitation of CVE-2024-46768 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-46768, DEBIAN-CVE-2024-46768, GHSA-mm2v-m6vc-rhf4, UBUNTU-CVE-2024-46768.