CVE-2018-6927 Integer overflow in n/a

What is CVE-2018-6927?

CVE-2018-6927 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 12 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The futex_requeue function in kernel/futex.c in the Linux kernel before 4.14.15 might allow attackers to cause a denial of service (integer overflow) or possibly have unspecified other impact by triggering a negative wake or requeue value.

Weakness: CWE-190

Which versions are affected by CVE-2018-6927?

It affects 10 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus and 4 more.

How do I fix CVE-2018-6927?

Apply the vendor's patch.

Is CVE-2018-6927 being exploited?

There is no known exploitation of CVE-2018-6927 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-2018-6927, GHSA-93fc-35g9-m74x, UBUNTU-CVE-2018-6927.