CVE-2020-14378 Integer overflow in dpdk

What is CVE-2020-14378?

CVE-2020-14378 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 30 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An integer underflow in dpdk versions before 18.11.10 and before 19.11.5 in the `move_desc` function can lead to large amounts of CPU cycles being eaten up in a long running loop. An attacker could cause `move_desc` to get stuck in a 4,294,967,295-count iteration loop. Depending on how `vhost_crypto` is being used this could prevent other VMs or network tasks from being serviced by the busy DPDK lcore for an extended period.

Weakness: CWE-191

Which versions are affected by CVE-2020-14378?

It affects 3 products.

Products include Canonical Ubuntu Linux, Dpdk Data Plane Development Kit, Opensuse Leap.

How do I fix CVE-2020-14378?

Upgrade to a fixed version.

Is CVE-2020-14378 being exploited?

There is no known exploitation of CVE-2020-14378 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 AZL-38821, DEBIAN-CVE-2020-14378, GHSA-prw9-fq4w-jfrf, UBUNTU-CVE-2020-14378.