CVE-2022-48425 Use after free in n/a
An attacker can trigger a use-after-free in the Linux kernel NTFS3 driver by exploiting invalid MFT flag validation during log replay.
- 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-2022-48425?
CVE-2022-48425 is a high-severity use after free vulnerability in Linux kernel, published on 19 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel through 6.2.7, fs/ntfs3/inode.c has an invalid kfree because it does not validate MFT flags before replaying logs.
Weakness: CWE-763
Which versions are affected by CVE-2022-48425?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2022-48425?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-48425 being exploited?
There is no known exploitation of CVE-2022-48425 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-48425, GHSA-89mg-6p9g-4jfj, UBUNTU-CVE-2022-48425.