How severe is CVE-2016-8637?

CVE-2016-8637 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2016-8637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8637?

CVE-2016-8637 affects Dracut Project Dracut. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-8637 published?

CVE-2016-8637 was published on 2018-08-01 and last updated on 2026-06-17.

CVE-2016-8637

CVE-2016-8637 is a medium-severity vulnerability in Dracut Project Dracut with a CVSS 3.x base score of 5.0. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v2: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Dracut Project Dracut
Published: 2018-08-01
Last modified: 2026-06-17

Description

A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.

Frequently asked questions

What is CVE-2016-8637?: A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
How severe is CVE-2016-8637?: CVE-2016-8637 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2016-8637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8637?: CVE-2016-8637 affects Dracut Project Dracut. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8637 published?: CVE-2016-8637 was published on 2018-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dracut_project:dracut:*:*:*:*:*:*:*:*

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