CVE-2024-23851 Integer overflow in n/a
An integer overflow in the Linux kernel device-mapper ioctl handler allows attackers to trigger a system crash via excessive memory allocation attempts.
- 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-2024-23851?
CVE-2024-23851 is a medium-severity vulnerability in Linux kernel, published on 23 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
copy_params in drivers/md/dm-ioctl.c in the Linux kernel through 6.7.1 can attempt to allocate more than INT_MAX bytes, and crash, because of a missing param_kernel->data_size check. This is related to ctl_ioctl.
Weakness: CWE-190
Which versions are affected by CVE-2024-23851?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-23851?
Apply the vendor's patch.
Is CVE-2024-23851 being exploited?
There is no known exploitation of CVE-2024-23851 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-33965, AZL-34880, DEBIAN-CVE-2024-23851, GHSA-hm4h-jq5c-c933, UBUNTU-CVE-2024-23851.