CVE-2024-50247 fs/ntfs3: Check if more than chunk-size bytes are written
A flaw in the Linux kernel NTFS3 driver allows out-of-bounds writes via malformed chunks, potentially causing crashes or code execution.
- 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-2024-50247?
CVE-2024-50247 is a high-severity memory corruption vulnerability in Linux kernel, published on 9 Nov 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:
fs/ntfs3: Check if more than chunk-size bytes are written
A incorrectly formatted chunk may decompress into more than LZNT_CHUNK_SIZE bytes and a index out of bounds will occur in s_max_off.
Weakness: CWE-125
Which versions are affected by CVE-2024-50247?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-50247?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-50247 being exploited?
There is no known exploitation of CVE-2024-50247 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-53013, AZL-53136, BELL-CVE-2024-50247, DEBIAN-CVE-2024-50247, GHSA-jv8w-8mj7-43gf, UBUNTU-CVE-2024-50247.