CVE-2010-4161 Denial of service in n/a
Remote attackers can cause a system hang in the Linux kernel by sending UDP traffic to a socket with a crafted filter, requiring specific socket configurations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-4161?
CVE-2010-4161 is a medium-severity denial of service vulnerability in Linux kernel, published on 30 Dec 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The udp_queue_rcv_skb function in net/ipv4/udp.c in a certain Red Hat build of the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows attackers to cause a denial of service (deadlock and system hang) by sending UDP traffic to a socket that has a crafted socket filter, a related issue to CVE-2010-4158.
Weakness: CWE-399
Which versions are affected by CVE-2010-4161?
It affects 2 products.
Products include Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2010-4161?
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-2010-4161 being exploited?
There is no known exploitation of CVE-2010-4161 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-jch4-5383-w2vq.