CVE-2018-14625 Race condition in kernel

What is CVE-2018-14625?

CVE-2018-14625 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 10 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.

Weakness: CWE-362, CWE-416

Which versions are affected by CVE-2018-14625?

It affects 3 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel.

How do I fix CVE-2018-14625?

Apply the vendor's patch.

Is CVE-2018-14625 being exploited?

There is no known exploitation of CVE-2018-14625 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 DEBIAN-CVE-2018-14625, GHSA-jrcc-3vp8-hghg, UBUNTU-CVE-2018-14625.