CVE-2023-52642 media: rc: bpf attach/detach requires write permission
The Linux kernel allowed unprivileged users to attach or detach BPF programs in the remote control subsystem, potentially enabling privilege escalation.
- 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-2023-52642?
CVE-2023-52642 is a high-severity missing authorization vulnerability in Debian Debian Linux, published on 17 Apr 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:
media: rc: bpf attach/detach requires write permission
Note that bpf attach/detach also requires CAP_NET_ADMIN.
Weakness: CWE-862
Which versions are affected by CVE-2023-52642?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2023-52642?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-52642 being exploited?
There is no known exploitation of CVE-2023-52642 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2023-52642, DEBIAN-CVE-2023-52642, GHSA-4jxh-5mmr-rhrf, UBUNTU-CVE-2023-52642.