CVE-2013-1935 Race condition in n/a
Guest OS users can crash the host system via a race condition in the KVM PV EOI implementation, requiring a kernel patch.
- 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-2013-1935?
CVE-2013-1935 is a medium-severity vulnerability in Redhat Enterprise Linux, published on 16 Jul 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A certain Red Hat patch to the KVM subsystem in the kernel package before 2.6.32-358.11.1.el6 on Red Hat Enterprise Linux (RHEL) 6 does not properly implement the PV EOI feature, which allows guest OS users to cause a denial of service (host OS crash) by leveraging a time window during which interrupts are disabled but copy_to_user function calls are possible.
Weakness: CWE-362
Which versions are affected by CVE-2013-1935?
It affects 1 product.
Products include Redhat Enterprise Linux.
How do I fix CVE-2013-1935?
Apply the vendor's patch.
Is CVE-2013-1935 being exploited?
There is no known exploitation of CVE-2013-1935 in the wild and no public exploit code.
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Sources
Also known as GHSA-3rfm-4g97-5f9p.