How severe is CVE-2018-11022?

CVE-2018-11022 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-11022 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11022?

CVE-2018-11022 affects Amazon Fire Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11022?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-11022 published?

CVE-2018-11022 was published on 2018-10-16 and last updated on 2026-06-17.

CVE-2018-11022

CVE-2018-11022 is a high-severity vulnerability in Amazon Fire Os with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Amazon Fire Os
Published: 2018-10-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2018-11022?: 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.
How severe is CVE-2018-11022?: CVE-2018-11022 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-11022 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11022?: CVE-2018-11022 affects Amazon Fire Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11022?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-11022 published?: CVE-2018-11022 was published on 2018-10-16 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:amazon:fire_os:4.5.5.3:*:*:*:*:*:*:*

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CVE-2018-11019 — High (CVSS 7.5): kernel/omap/drivers/misc/gcx/gcioctl/gcif.c in the kernel component in Amazon Kindle Fire HD(3rd) Fire OS 4.5.5.3…

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