CVE-2024-27035 f2fs: compress: fix to guarantee persisting compressed blocks by CP
A flaw in the Linux kernel's f2fs compressed file system can cause data corruption and potential denial of service after a sudden power-off recovery.
- 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-2024-27035?
CVE-2024-27035 is a high-severity denial of service vulnerability in Linux kernel, published on 1 May 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: compress: fix to guarantee persisting compressed blocks by CP
If data block in compressed cluster is not persisted with metadata during checkpoint, after SPOR, the data may be corrupted, let's guarantee to write compressed page by checkpoint.
Which versions are affected by CVE-2024-27035?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-27035?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-27035 being exploited?
There is no known exploitation of CVE-2024-27035 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-27035, DEBIAN-CVE-2024-27035, GHSA-57w2-qxwq-vw95, ROOT-OS-DEBIAN-11-CVE-2024-27035, ROOT-OS-UBUNTU-2204-CVE-2024-27035, UBUNTU-CVE-2024-27035.