CVE-2018-11020

Severity: medium (CVSS 4.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-10-16 · updated 2026-06-17
Weakness: CWE-88

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.

Affected products

Amazon Fire OS before 2016-01-15: 4.5.5.3

References

https://github.com/datadancer/HIAFuzz/blob/master/CVE-2018-11020.md
https://github.com/datadancer/HIAFuzz/blob/master/CVE-Advisory.md
https://github.com/datadancer/HIAFuzz/blob/master/CVE-2018-11020.md
https://github.com/datadancer/HIAFuzz/blob/master/CVE-Advisory.md

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