CVE-2018-11020 Denial of service in n/a
Attackers can cause a kernel crash on Amazon Kindle Fire devices by injecting crafted arguments via a specific ioctl command on the rpmsg-omx driver.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-11020?
CVE-2018-11020 is a medium-severity denial of service vulnerability in n/a, published on 16 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
kernel/omap/drivers/rpmsg/rpmsg_omx.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 file /dev/rpmsg-omx1 with the command 3221772291, and cause a kernel crash.
Weakness: CWE-88
Which versions are affected by CVE-2018-11020?
It affects 1 product.
Products include Amazon Fire Os.
How do I fix CVE-2018-11020?
No fix has been published for CVE-2018-11020 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-2018-11020 being exploited?
There is no known exploitation of CVE-2018-11020 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7j77-w563-22rj.