CVE-2024-25739 Null dereference in n/a
A missing check in the Linux kernel UBI driver allows attackers to trigger a crash via zero-byte allocation, causing denial of service.
- 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-2024-25739?
CVE-2024-25739 is a medium-severity vulnerability in Linux kernel, published on 12 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
create_empty_lvol in drivers/mtd/ubi/vtbl.c in the Linux kernel through 6.7.4 can attempt to allocate zero bytes, and crash, because of a missing check for ubi->leb_size.
Weakness: CWE-754
Which versions are affected by CVE-2024-25739?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-25739?
Apply the vendor's patch.
Is CVE-2024-25739 being exploited?
There is no known exploitation of CVE-2024-25739 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-34524, AZL-34887, DEBIAN-CVE-2024-25739, GHSA-69v8-v8v7-vv42, UBUNTU-CVE-2024-25739.