usn-7577-2
Vulnerability from osv_ubuntu
Published
2025-06-18 17:21
Modified
2026-04-22 07:37
Summary
libblockdev vulnerability
Details

USN-7577-1 fixed a vulnerability in libblockdev. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that libblockdev incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-6019",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "gir1.2-blockdev-2.0",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-btrfs2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-crypto2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-dm2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-fs2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-kbd2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-loop2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-lvm-dbus2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-lvm2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-mdraid2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-mpath2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-part-err2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-part2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-plugins-all",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-swap2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev-utils2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "libblockdev2",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          },
          {
            "binary_name": "python3-blockdev",
            "binary_version": "2.16-2ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "libblockdev",
        "purl": "pkg:deb/ubuntu/libblockdev@2.16-2ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.16-2ubuntu0.1~esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.12-2",
        "2.12-3",
        "2.14-2",
        "2.14-3",
        "2.16-2"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-6019",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "gir1.2-blockdev-2.0",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-btrfs2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-crypto2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-dm2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-fs2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-kbd2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-loop2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-lvm-dbus2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-lvm2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-mdraid2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-mpath2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-nvdimm2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-part-err2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-part2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-plugins-all",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-swap2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-utils2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev-vdo2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "libblockdev2",
            "binary_version": "2.23-2ubuntu3+esm1"
          },
          {
            "binary_name": "python3-blockdev",
            "binary_version": "2.23-2ubuntu3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "libblockdev",
        "purl": "pkg:deb/ubuntu/libblockdev@2.23-2ubuntu3+esm1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.23-2ubuntu3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.22-1",
        "2.23-2",
        "2.23-2ubuntu2",
        "2.23-2ubuntu3"
      ]
    }
  ],
  "aliases": [],
  "details": "USN-7577-1 fixed a vulnerability in libblockdev. This update provides\nthe corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.\n\nOriginal advisory details:\n\n It was discovered that libblockdev incorrectly handled mount options when\n resizing certain filesystems. A local attacker with an active session on\n the console can use this issue to escalate their privileges to root.\n",
  "id": "USN-7577-2",
  "modified": "2026-04-22T07:37:21Z",
  "published": "2025-06-18T17:21:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7577-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-6019"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "libblockdev vulnerability",
  "upstream": [
    "UBUNTU-CVE-2025-6019"
  ]
}



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