CVE-2024-57938 net/sctp: Prevent autoclose integer overflow in sctp_association_init()
An integer overflow in the Linux kernel SCTP implementation can cause a denial of service when max_autoclose is set to UINT_MAX.
- 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-2024-57938?
CVE-2024-57938 is a medium-severity vulnerability in Linux kernel, published on 21 Jan 2025. 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:
net/sctp: Prevent autoclose integer overflow in sctp_association_init()
While by default max_autoclose equals to INT_MAX / HZ, one may set net.sctp.max_autoclose to UINT_MAX. There is code in sctp_association_init() that can consequently trigger overflow.
Weakness: CWE-190
Which versions are affected by CVE-2024-57938?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-57938?
Apply the vendor's patch.
Is CVE-2024-57938 being exploited?
There is no known exploitation of CVE-2024-57938 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-55901, AZL-55916, BELL-CVE-2024-57938, DEBIAN-CVE-2024-57938, GHSA-frp4-f42v-g8xw, UBUNTU-CVE-2024-57938.