CVE-2016-8226 Denial of service in System X M5, M6, and X6 BIOS
Administrators can cause a denial of service in Lenovo System X servers by updating a specific UEFI data structure in the BIOS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-8226?
CVE-2016-8226 is a medium-severity denial of service vulnerability in Lenovo Group Ltd. System X M5, M6, and X6 BIOS, published on 26 Jan 2017. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The BIOS in Lenovo System X M5, M6, and X6 systems allows administrators to cause a denial of service via updating a UEFI data structure.
Weakness: CWE-19
Which versions are affected by CVE-2016-8226?
It affects 11 products.
Products include Lenovo Flex System X240 M5 Bios, Lenovo Flex System X280 M6 Bios, Lenovo Flex System X480 X6 Bios, Lenovo Flex System X880 X6 Bios, Lenovo Nextscale Nx360 M5 Bios, Lenovo System X3250 M6 Bios and 5 more.
How do I fix CVE-2016-8226?
No fix has been published for CVE-2016-8226 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-2016-8226 being exploited?
There is no known exploitation of CVE-2016-8226 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Group Ltd. System X M5, M6, and X6 BIOS
Sources
Also known as GHSA-r36x-m74h-q43p.