CVE-2024-49860 ACPI: sysfs: validate return type of _STR method
A local attacker can cause a denial of service by triggering invalid memory access in the Linux kernel ACPI sysfs handler due to missing type validation.
- 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-2024-49860?
CVE-2024-49860 is a high-severity vulnerability in Linux kernel, published on 21 Oct 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:
ACPI: sysfs: validate return type of _STR method
Only buffer objects are valid return values of _STR.
If something else is returned description_show() will access invalid memory.
Weakness: CWE-843
Which versions are affected by CVE-2024-49860?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49860?
Apply the vendor's patch.
Is CVE-2024-49860 being exploited?
There is no known exploitation of CVE-2024-49860 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-50833, AZL-51017, BELL-CVE-2024-49860, DEBIAN-CVE-2024-49860, GHSA-wrc3-47r8-p9qm, UBUNTU-CVE-2024-49860.