CVE-2018-11022 Denial of service in n/a

High 7.5 Published 16 Oct 2018 Updated 5 Aug 2024

Attackers can cause a kernel crash on Amazon Kindle Fire devices by injecting crafted arguments via a specific ioctl command.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-11022?

CVE-2018-11022 is a high-severity denial of service vulnerability in n/a, published on 16 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

kernel/omap/drivers/misc/gcx/gcioctl/gcif.c in the kernel component in Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3 allows attackers to inject a crafted argument via the argument of an ioctl on device /dev/gcioctl with the command 3224132973 and cause a kernel crash.

Weakness: CWE-88

Which versions are affected by CVE-2018-11022?

It affects 1 product.

Products include Amazon Fire Os.

How do I fix CVE-2018-11022?

No fix has been published for CVE-2018-11022 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-11022 being exploited?

There is no known exploitation of CVE-2018-11022 in the wild and no public exploit code.

Sources

Also known as GHSA-8vjw-56wr-77jm.