GSD-2023-1000243 hwmon: (coretemp) Check for null before removing sysfs attrs
A null pointer dereference in the Linux kernel coretemp driver can cause a system crash, requiring a local attacker to trigger the fault.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000243?
GSD-2023-1000243 is a vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
hwmon: (coretemp) Check for null before removing sysfs attrs
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.158 by commit f06e0cd01eab954bd5f2190c9faa79bb5357e05b, it was introduced in version v3.0 by commit 199e0de7f5df31a4fc485d4aaaf8a07718252ace. For more details please see the references link.
Which versions are affected by GSD-2023-1000243?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000243?
No fix has been published for GSD-2023-1000243 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000243 being exploited?
There is no known exploitation of GSD-2023-1000243 in the wild and no public exploit code.