CVE-2018-15572 Other in n/a

What is CVE-2018-15572?

CVE-2018-15572 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

The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.

Which versions are affected by CVE-2018-15572?

It affects 3 products.

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

How do I fix CVE-2018-15572?

Apply the vendor's patch.

Is CVE-2018-15572 being exploited?

There is no known exploitation of CVE-2018-15572 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-2018-15572, GHSA-fr39-wf38-f5w3, UBUNTU-CVE-2018-15572.