CVE-2024-40990 RDMA/mlx5: Add check for srq max_sge attribute
A missing bounds check on the max_sge attribute in the Linux kernel RDMA driver allows attackers to trigger memory corruption or 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-2024-40990?
CVE-2024-40990 is a high-severity vulnerability in Linux kernel, published on 12 Jul 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:
RDMA/mlx5: Add check for srq max_sge attribute
max_sge attribute is passed by the user, and is inserted and used unchecked, so verify that the value doesn't exceed maximum allowed value before using it.
Which versions are affected by CVE-2024-40990?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-40990?
Apply the vendor's patch.
Is CVE-2024-40990 being exploited?
There is no known exploitation of CVE-2024-40990 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-40990, DEBIAN-CVE-2024-40990, GHSA-cww8-qc9w-3hxp, UBUNTU-CVE-2024-40990.