CVE-2019-14814 Memory corruption in kernel

What is CVE-2019-14814?

CVE-2019-14814 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 20 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

There is heap-based buffer overflow in Linux kernel, all versions up to, excluding 5.3, in the marvell wifi chip driver in Linux kernel, that allows local users to cause a denial of service(system crash) or possibly execute arbitrary code.

Weakness: CWE-787, CWE-122

Which versions are affected by CVE-2019-14814?

It affects 34 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Netapp A220 Firmware, Netapp A320 Firmware, Netapp A700s Firmware and 28 more.

How do I fix CVE-2019-14814?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-14814 being exploited?

There is no known exploitation of CVE-2019-14814 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-2019-14814, GHSA-qw7j-pqgw-px85, UBUNTU-CVE-2019-14814.