CVE-2025-22080 fs/ntfs3: Prevent integer overflow in hdr_first_de()
An integer overflow in the Linux kernel NTFS3 driver allows attackers to cause a denial of service via crafted disk data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-22080?
CVE-2025-22080 is a high-severity vulnerability in Linux kernel, published on 16 Apr 2025. 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:
fs/ntfs3: Prevent integer overflow in hdr_first_de()
The "de_off" and "used" variables come from the disk so they both need to check. The problem is that on 32bit systems if they're both greater than UINT_MAX - 16 then the check does work as intended because of an integer overflow.
Weakness: CWE-190
Which versions are affected by CVE-2025-22080?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-22080?
Apply the vendor's patch.
Is CVE-2025-22080 being exploited?
There is no known exploitation of CVE-2025-22080 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-22080, DEBIAN-CVE-2025-22080, GHSA-qx79-q87h-mhp6, ROOT-OS-UBUNTU-2404-CVE-2025-22080, UBUNTU-CVE-2025-22080.