CVE-2024-49862 powercap: intel_rapl: Fix off by one in get_rpi()
An off-by-one error in the Intel RAPL powercap driver allows out-of-bounds memory access, potentially causing a system crash.
- 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-2024-49862?
CVE-2024-49862 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:
powercap: intel_rapl: Fix off by one in get_rpi()
The rp->priv->rpi array is either rpi_msr or rpi_tpmi which have NR_RAPL_PRIMITIVES number of elements. Thus the > needs to be >= to prevent an off by one access.
Weakness: CWE-193
Which versions are affected by CVE-2024-49862?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49862?
Apply the vendor's patch.
Is CVE-2024-49862 being exploited?
There is no known exploitation of CVE-2024-49862 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-50913, BELL-CVE-2024-49862, DEBIAN-CVE-2024-49862, GHSA-5j5v-66r8-4gm4, UBUNTU-CVE-2024-49862.