UBUNTU-CVE-2016-8637

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Source
https://ubuntu.com/security/CVE-2016-8637
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-8637.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-8637
Upstream
Downstream
Related
Published
2018-08-01T13:29:00Z
Modified
2026-09-28T22:45:12Z
Severity
  • 5.0 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / dracut

Package

Name
dracut
Purl
pkg:deb/ubuntu/dracut?arch=source&distro=esm-apps-legacy%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
044+3-3ubuntu0.1~esm1

Affected versions

Other
043-2
043-4
044+3-1
044+3-2
044+3-3

Ecosystem specific 

{
    "availability":  "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries":  [
        {
            "binary_name":  "dracut",
            "binary_version":  "044+3-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "dracut-config-generic",
            "binary_version":  "044+3-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "dracut-config-rescue",
            "binary_version":  "044+3-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "dracut-core",
            "binary_version":  "044+3-3ubuntu0.1~esm1"
        },
        {
            "binary_name":  "dracut-network",
            "binary_version":  "044+3-3ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-8637.json"