CVE-2024-49859 f2fs: fix to check atomic_file in f2fs ioctl interfaces
A race condition in Linux kernel f2fs ioctl interfaces allows potential data corruption or undefined behavior due to missing atomic write checks.
- 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-2024-49859?
CVE-2024-49859 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:
f2fs: fix to check atomic_file in f2fs ioctl interfaces
Some f2fs ioctl interfaces like f2fs_ioc_set_pin_file(), f2fs_move_file_range(), and f2fs_defragment_range() missed to check atomic_write status, which may cause potential race issue, fix it.
Weakness: CWE-362
Which versions are affected by CVE-2024-49859?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-49859?
Apply the vendor's patch.
Is CVE-2024-49859 being exploited?
There is no known exploitation of CVE-2024-49859 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-50655, AZL-50697, BELL-CVE-2024-49859, DEBIAN-CVE-2024-49859, GHSA-p5f2-p286-m43f, ROOT-OS-DEBIAN-11-CVE-2024-49859 and 2 more.