CVE-2024-53145 um: Fix potential integer overflow during physmem setup
An integer overflow in the Linux kernel's User Mode Linux physmem setup can lead 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-2024-53145?
CVE-2024-53145 is a medium-severity vulnerability in Linux kernel, published on 24 Dec 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:
um: Fix potential integer overflow during physmem setup
This issue happens when the real map size is greater than LONG_MAX, which can be easily triggered on UML/i386.
Weakness: CWE-190
Which versions are affected by CVE-2024-53145?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-53145?
Apply the vendor's patch.
Is CVE-2024-53145 being exploited?
There is no known exploitation of CVE-2024-53145 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-54939, AZL-54960, BELL-CVE-2024-53145, DEBIAN-CVE-2024-53145, GHSA-5hfq-6gvm-pw8c, UBUNTU-CVE-2024-53145.