CVE-2022-49278 remoteproc: Fix count check in rproc_coredump_write()
A missing zero check in the Linux kernel remoteproc driver allows an integer underflow, potentially leading to a denial of service.
- 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-2022-49278?
CVE-2022-49278 is a high-severity vulnerability in Linux kernel, published on 26 Feb 2025. 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:
remoteproc: Fix count check in rproc_coredump_write()
Check count for 0, to avoid a potential underflow. Make the check the same as the one in rproc_recovery_write().
Weakness: CWE-191
Which versions are affected by CVE-2022-49278?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-49278?
Apply the vendor's patch.
Is CVE-2022-49278 being exploited?
There is no known exploitation of CVE-2022-49278 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-49278, GHSA-hxc8-c34q-34jf, UBUNTU-CVE-2022-49278.