CVE-2018-11020 — 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

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MEDIUM

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

Published Oct 16, 2018

4.4

MEDIUM

CVSS 3.0

EPSS 0.63%

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

Remediation

No remediation recorded yet.

Metrics

0.63% 0.00628

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.00628

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3
EPSS v4

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	0.63% (0.00628)	48.25th	v5 (v2026.06.15)
Jun 15, 2026	0.63% (0.00628)	45.17th	v5 (v2026.06.15)
Mar 30, 2025	1.87% (0.01870)	81.47th	v4 (v2025.03.14)
Mar 29, 2025	10.46% (0.10459)	88.65th	v4 (v2025.03.14)
Mar 17, 2025	1.87% (0.01870)	81.89th	v4 (v2025.03.14)
Jul 20, 2024	0.04% (0.00044)	13.18th	v3 (v2023.03.01)
Jun 9, 2024	0.04% (0.00044)	12.69th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00044)	10.67th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-88

References (2)

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

Link	Providers	Tags
https://github.com/datadancer/HIAFuzz/blob/master/CVE-2018-11020.md		x_refsource_MISCExploitThird Party Advisory
https://github.com/datadancer/HIAFuzz/blob/master/CVE-Advisory.md		x_refsource_MISCExploitThird Party Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Oct 16, 2018

Updated Aug 5, 2024

Reserved May 13, 2018

Link CVE-2018-11020

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-11020

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-11020