{"id":"USN-7577-2","summary":"libblockdev vulnerability","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","modified":"2026-04-22T10:59:08.108862Z","published":"2025-06-18T17:21:51Z","related":["UBUNTU-CVE-2025-6019"],"upstream":["CVE-2025-6019","UBUNTU-CVE-2025-6019"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7577-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-6019"}],"affected":[{"package":{"name":"libblockdev","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libblockdev@2.16-2ubuntu0.1~esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16-2ubuntu0.1~esm1"}]}],"versions":["2.12-2","2.12-3","2.14-2","2.14-3","2.16-2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2.16-2ubuntu0.1~esm1","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"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-6019","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7577-2.json"}},{"package":{"name":"libblockdev","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libblockdev@2.23-2ubuntu3+esm1?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-2ubuntu3+esm1"}]}],"versions":["2.22-1","2.23-2","2.23-2ubuntu2","2.23-2ubuntu3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"2.23-2ubuntu3+esm1","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"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2025-6019","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"high"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7577-2.json"}}],"schema_version":"1.7.5"}