CVE-2013-4129 Denial of service in n/a
Local users can crash the Linux kernel via a bug in the bridge multicast implementation during KVM virtual machine shutdown.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-4129?
CVE-2013-4129 is a medium-severity denial of service vulnerability in Linux kernel, published on 28 Jul 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The bridge multicast implementation in the Linux kernel through 3.10.3 does not check whether a certain timer is armed before modifying the timeout value of that timer, which allows local users to cause a denial of service (BUG and system crash) via vectors involving the shutdown of a KVM virtual machine, related to net/bridge/br_mdb.c and net/bridge/br_multicast.c.
Weakness: CWE-20
Which versions are affected by CVE-2013-4129?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-4129?
No fix has been published for CVE-2013-4129 yet. Limit exposure of the affected software until one is available.
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-2013-4129 being exploited?
There is no known exploitation of CVE-2013-4129 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-wm5r-q8qh-vgrj.