How severe is CVE-2016-8438?

CVE-2016-8438 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-2016-8438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8438?

CVE-2016-8438 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8438?

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-2016-8438 published?

CVE-2016-8438 was published on 2017-01-12 and last updated on 2026-06-17.

CVE-2016-8438

CVE-2016-8438 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Linux Linux Kernel
Published: 2017-01-12
Last modified: 2026-06-17

Description

Integer overflow leading to a TOCTOU condition in hypervisor PIL. An integer overflow exposes a race condition that may be used to bypass (Peripheral Image Loader) PIL authentication. Product: Android. Versions: Kernel 3.18. Android ID: A-31624565. References: QC-CR#1023638.

Frequently asked questions

What is CVE-2016-8438?: Integer overflow leading to a TOCTOU condition in hypervisor PIL. An integer overflow exposes a race condition that may be used to bypass (Peripheral Image Loader) PIL authentication. Product: Android. Versions: Kernel 3.18. Android ID: A-31624565. References: QC-CR#1023638.
How severe is CVE-2016-8438?: CVE-2016-8438 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-2016-8438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8438?: CVE-2016-8438 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8438?: 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-2016-8438 published?: CVE-2016-8438 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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