CVE-2024-47726 f2fs: fix to wait dio completion
A race condition in the Linux kernel f2fs filesystem allows direct write IOs to overwrite data in blocks reused by other inodes, leading to data corruption.
- 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-2024-47726?
CVE-2024-47726 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 wait dio completion
It should wait all existing dio write IOs before block removal, otherwise, previous direct write IO may overwrite data in the block which may be reused by other inode.
Which versions are affected by CVE-2024-47726?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-47726?
Apply the vendor's patch.
Is CVE-2024-47726 being exploited?
There is no known exploitation of CVE-2024-47726 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-51132, AZL-51257, BELL-CVE-2024-47726, DEBIAN-CVE-2024-47726, GHSA-m3v4-26gh-289c, UBUNTU-CVE-2024-47726.