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UBUNTU-CVE-2016-8637

Type: advisorySource: OSV1 source record

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.

Announced Source revision 1
Original source ↗

UBUNTU-CVE-2016-8637

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:UBUNTU-CVE-2016-8637

dracut

Source reference: /affected/0/package/name

Affected versions
043-2

Source reference: /affected/0/versions

043-4

Source reference: /affected/0/versions

044+3-1

Source reference: /affected/0/versions

044+3-2

Source reference: /affected/0/versions

044+3-3

Source reference: /affected/0/versions

Fixed versions
044+3-3ubuntu0.1~esm1

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "044+3-3ubuntu0.1~esm1"
          }
        ]
      }
    ],
    "package": {
      "name": "dracut",
      "purl": "pkg:deb/ubuntu/dracut?arch=source&distro=esm-apps-legacy%2Fxenial",
      "ecosystem": "Ubuntu:Pro:16.04:LTS"
    },
    "versions": [
      "043-2",
      "043-4",
      "044+3-1",
      "044+3-2",
      "044+3-3"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-8637.json"
    },
    "ecosystem_specific": {
      "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"
        }
      ],
      "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#23718 · Revision 1
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Publisher date
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