CVE-2019-16229 Null dereference in n/a

Medium 4.1 Published Updated

A missing check on workqueue allocation in the Linux kernel AMD GPU driver can cause a NULL pointer dereference, leading to a denial of service.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2019-16229?

CVE-2019-16229 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 11 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

drivers/gpu/drm/amd/amdkfd/kfd_interrupt.c in the Linux kernel 5.2.14 does not check the alloc_workqueue return value, leading to a NULL pointer dereference. NOTE: The security community disputes this issues as not being serious enough to be deserving a CVE id

Weakness: CWE-476

Which versions are affected by CVE-2019-16229?

It affects 3 products.

Products include Canonical Ubuntu Linux, Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2019-16229?

Apply the vendor's patch.

Is CVE-2019-16229 being exploited?

There is no known exploitation of CVE-2019-16229 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-16229, GHSA-fq48-7x6v-77vv, ROOT-OS-DEBIAN-11-CVE-2019-16229, ROOT-OS-DEBIAN-12-CVE-2019-16229, ROOT-OS-DEBIAN-13-CVE-2019-16229, UBUNTU-CVE-2019-16229.

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