CVE-2024-42861 Denial of service in n/a
A remote attacker can cause a denial of service in the linuxptp time synchronization function by sending a crafted Pdelay_Req message.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-42861?
CVE-2024-42861 is a high-severity denial of service vulnerability in n/a, published on 23 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function
Which versions are affected by CVE-2024-42861?
It affects 1 product.
Products include Linuxptp Project Linuxptp.
How do I fix CVE-2024-42861?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-42861 being exploited?
There is no known exploitation of CVE-2024-42861 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as AZL-49731, AZL-49740, DEBIAN-CVE-2024-42861, GHSA-xgfh-jv6x-46xv, UBUNTU-CVE-2024-42861.