CVE-2024-42068 bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
A missing error check in the Linux kernel BPF subsystem allows memory protection to fail, potentially enabling privilege escalation or code execution.
- 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-2024-42068?
CVE-2024-42068 is a high-severity vulnerability in Linux kernel, published on 29 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:
bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()
set_memory_ro() can fail, leaving memory unprotected.
Check its return and take it into account as an error.
Weakness: CWE-252
Which versions are affected by CVE-2024-42068?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-42068?
Apply the vendor's patch.
Is CVE-2024-42068 being exploited?
There is no known exploitation of CVE-2024-42068 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-47216, BELL-CVE-2024-42068, DEBIAN-CVE-2024-42068, GHSA-9qp4-rw2q-rx7r, ROOT-OS-DEBIAN-11-CVE-2024-42068, UBUNTU-CVE-2024-42068.