How severe is CVE-2016-8398?

CVE-2016-8398 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-8398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8398?

CVE-2016-8398 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8398?

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

When was CVE-2016-8398 published?

CVE-2016-8398 was published on 2017-01-12 and last updated on 2026-06-17.

CVE-2016-8398

CVE-2016-8398 is a critical-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 9.8. 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-254.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Linux Linux Kernel
Published: 2017-01-12
Last modified: 2026-06-17

Description

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Frequently asked questions

What is CVE-2016-8398?: Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.
How severe is CVE-2016-8398?: CVE-2016-8398 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-8398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8398?: CVE-2016-8398 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-8398 published?: CVE-2016-8398 was published on 2017-01-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:3.18:*:*:*:*:*:*:*

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