CVE-2018-12207 Denial of service in 2019.2 IPU – Intel(R) Processor Machine Check Error

What is CVE-2018-12207?

CVE-2018-12207 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 14 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper invalidation for page table updates by a virtual guest operating system for multiple Intel(R) Processors may allow an authenticated user to potentially enable denial of service of the host system via local access.

Weakness: CWE-20

Which versions are affected by CVE-2018-12207?

It affects 778 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager and 772 more.

How do I fix CVE-2018-12207?

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-2018-12207 being exploited?

There is no known exploitation of CVE-2018-12207 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-12207, DEBIAN-CVE-2018-12207, GHSA-mgp4-7j8w-x48q, UBUNTU-CVE-2018-12207.