CVE-2018-15594 Information disclosure in n/a

What is CVE-2018-15594?

CVE-2018-15594 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 20 Aug 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

Weakness: CWE-200

Which versions are affected by CVE-2018-15594?

It affects 3 products.

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

How do I fix CVE-2018-15594?

Upgrade to a fixed version.

Is CVE-2018-15594 being exploited?

There is no known exploitation of CVE-2018-15594 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-2018-15594, GHSA-9jqj-q3v6-cv9h, UBUNTU-CVE-2018-15594.