USN-7577-2

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Source
https://ubuntu.com/security/notices/USN-7577-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7577-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-7577-2
Upstream
Related
Published
2025-06-18T17:21:51Z
Modified
2026-04-22T10:59:08.108862Z
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

Affected packages

Ubuntu:Pro:18.04:LTS / libblockdev

Package

Name
libblockdev
Purl
pkg:deb/ubuntu/libblockdev@2.16-2ubuntu0.1~esm1?arch=source&distro=esm-infra/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.16-2ubuntu0.1~esm1

Affected versions

2.*
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 
{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "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"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7577-2.json"

Ubuntu:Pro:20.04:LTS / libblockdev

Package

Name
libblockdev
Purl
pkg:deb/ubuntu/libblockdev@2.23-2ubuntu3+esm1?arch=source&distro=esm-infra/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.23-2ubuntu3+esm1

Affected versions

2.*
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 
{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "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"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7577-2.json"