CVE-2018-13406 Integer overflow in n/a

What is CVE-2018-13406?

CVE-2018-13406 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 6 Jul 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An integer overflow in the uvesafb_setcmap function in drivers/video/fbdev/uvesafb.c in the Linux kernel before 4.17.4 could result in local attackers being able to crash the kernel or potentially elevate privileges because kmalloc_array is not used.

Weakness: CWE-190

Which versions are affected by CVE-2018-13406?

It affects 3 products.

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

How do I fix CVE-2018-13406?

Apply the vendor's patch.

Is CVE-2018-13406 being exploited?

There is no known exploitation of CVE-2018-13406 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-2018-13406, GHSA-c7gj-6p66-m9ff, UBUNTU-CVE-2018-13406.