CVE-2023-52583 ceph: fix deadlock or deadcode of misusing dget()
A deadlock in the Ceph filesystem code can cause a denial of service by hanging the kernel.
- 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-2023-52583?
CVE-2023-52583 is a medium-severity vulnerability in Debian Debian Linux, published on 6 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:
ceph: fix deadlock or deadcode of misusing dget()
The lock order is incorrect between denty and its parent, we should always make sure that the parent get the lock first.
But since this deadcode is never used and the parent dir will always be set from the callers, let's just remove it.
Weakness: CWE-667
Which versions are affected by CVE-2023-52583?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52583?
Apply the vendor's patch.
Is CVE-2023-52583 being exploited?
There is no known exploitation of CVE-2023-52583 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2023-52583, DEBIAN-CVE-2023-52583, GHSA-ppcf-3xhc-xrx9, UBUNTU-CVE-2023-52583.