CVE-2024-38623 fs/ntfs3: Use variable length array instead of fixed size
A buffer overflow in the Linux kernel NTFS3 driver allows attackers to cause memory corruption, potentially leading to code execution or system crashes.
- 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-2024-38623?
CVE-2024-38623 is a high-severity memory corruption vulnerability in Linux kernel, published on 21 Jun 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: Use variable length array instead of fixed size
Should fix smatch warning: ntfs_set_label() error: __builtin_memcpy() 'uni->name' too small (20 vs 256)
Weakness: CWE-129
Which versions are affected by CVE-2024-38623?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-38623?
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-2024-38623 being exploited?
There is no known exploitation of CVE-2024-38623 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-38623, DEBIAN-CVE-2024-38623, GHSA-2vx6-mxq6-c2rw, UBUNTU-CVE-2024-38623.