CVE-2016-3672 Security feature bypass in n/a

What is CVE-2016-3672?

CVE-2016-3672 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 27 Apr 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The arch_pick_mmap_layout function in arch/x86/mm/mmap.c in the Linux kernel through 4.5.2 does not properly randomize the legacy base address, which makes it easier for local users to defeat the intended restrictions on the ADDR_NO_RANDOMIZE flag, and bypass the ASLR protection mechanism for a setuid or setgid program, by disabling stack-consumption resource limits.

Weakness: CWE-254

Which versions are affected by CVE-2016-3672?

It affects 9 products.

Products include Canonical Ubuntu Linux, Linux kernel, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Live Patching, Novell Suse Linux Enterprise Module for Public Cloud, Novell Suse Linux Enterprise Real Time Extension and 3 more.

How do I fix CVE-2016-3672?

Apply the vendor's patch.

Is CVE-2016-3672 being exploited?

There is no known exploitation of CVE-2016-3672 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry.

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-2016-3672, GHSA-mr57-vcj3-9pgx, UBUNTU-CVE-2016-3672.