CVE-2024-50185 mptcp: handle consistently DSS corruption
A remote attacker can cause a denial of service in the Linux kernel by sending corrupted MPTCP DSS options, triggering warnings and potential instability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-50185?
CVE-2024-50185 is a high-severity denial of service vulnerability in Linux kernel, published on 8 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
mptcp: handle consistently DSS corruption
Bugged peer implementation can send corrupted DSS options, consistently hitting a few warning in the data path. Use DEBUG_NET assertions, to avoid the splat on some builds and handle consistently the error, dumping related MIBs and performing fallback and/or reset according to the subflow type.
Which versions are affected by CVE-2024-50185?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2024-50185?
Apply the vendor's patch.
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-2024-50185 being exploited?
There is no known exploitation of CVE-2024-50185 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2024-50185, DEBIAN-CVE-2024-50185, GHSA-q7m5-gh3m-8v66, UBUNTU-CVE-2024-50185.