CVE-2013-6885 Denial of service in n/a
Local attackers can cause a system hang on specific AMD processors by exploiting a microcode flaw in handling locked instructions with write-combined memory.
- 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-2013-6885?
CVE-2013-6885 is a medium-severity denial of service vulnerability in n/a, published on 29 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The microcode on AMD 16h 00h through 0Fh processors does not properly handle the interaction between locked instructions and write-combined memory types, which allows local users to cause a denial of service (system hang) via a crafted application, aka the errata 793 issue.
Weakness: CWE-399
Which versions are affected by CVE-2013-6885?
It affects 3 products.
Products include Amd 16h Model 00h Processor, Amd 16h Model 0fh Processor, Amd 16h Model Processor Firmware.
How do I fix CVE-2013-6885?
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-2013-6885 being exploited?
There is no known exploitation of CVE-2013-6885 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2013-6885, GHSA-pw98-hqj6-fw9c.