CVE-2023-52573 net: rds: Fix possible NULL-pointer dereference
A NULL pointer dereference in the Linux kernel's RDS module can cause a system crash, requiring a kernel patch to prevent 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-2023-52573?
CVE-2023-52573 is a medium-severity vulnerability in Linux kernel, published on 2 Mar 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:
net: rds: Fix possible NULL-pointer dereference
In rds_rdma_cm_event_handler_cmn() check, if conn pointer exists before dereferencing it as rdma_set_service_type() argument
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Weakness: CWE-476
Which versions are affected by CVE-2023-52573?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-52573?
Apply the vendor's patch.
Is CVE-2023-52573 being exploited?
There is no known exploitation of CVE-2023-52573 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2023-52573, DEBIAN-CVE-2023-52573, GHSA-9jv3-jc56-rv4g, UBUNTU-CVE-2023-52573.