UBUNTU-CVE-2026-15060 (CVE-2026-15060)

Vulnerability from osv_ubuntu – Published: 2026-08-10 00:00 – Updated: 2026-08-13 00:02 – Source website
VLAI
Details

When systemd-machined >= v259 (or v258 with a custom polkit policy that allows register-machine access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless unprivileged access is granted for the register-machine polkit action via a local, custom policy config file - versions older than v258 are not affected - unrelated to the systemd service manager (pid 1 or user session managers) - systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container) - terminal-only or remote sessions (e.g.: ssh) are not affected

Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libnss-myhostname",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libnss-mymachines",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libnss-resolve",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libnss-systemd",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libpam-systemd",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libsystemd-shared",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libsystemd0",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "libudev1",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-boot",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-boot-efi",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-boot-tools",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-container",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-coredump",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-cryptsetup",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-homed",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-journal-remote",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-oomd",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-repart",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-resolved",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-standalone-shutdown",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-standalone-sysusers",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-standalone-tmpfiles",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-sysv",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-tests",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-timesyncd",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-ukify",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "systemd-userdbd",
            "binary_version": "259.5-0ubuntu3.4"
          },
          {
            "binary_name": "udev",
            "binary_version": "259.5-0ubuntu3.4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "systemd",
        "purl": "pkg:deb/ubuntu/systemd@259.5-0ubuntu3.4?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "259.5-0ubuntu3.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "257.9-0ubuntu2",
        "259-1ubuntu2",
        "259-1ubuntu3",
        "259.3-0ubuntu1",
        "259.5-0ubuntu1",
        "259.5-0ubuntu2",
        "259.5-0ubuntu3",
        "259.5-0ubuntu3.3"
      ]
    }
  ],
  "aliases": [],
  "details": "When systemd-machined \u003e= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file - versions older than v258 are not affected - unrelated to the systemd service manager (pid 1 or user session managers) - systemd-machined is not typically installed by default, and is typically in an optional, separate package (e.g.: systemd-container) - terminal-only or remote sessions (e.g.: ssh) are not affected",
  "id": "UBUNTU-CVE-2026-15060",
  "modified": "2026-08-13T00:02:17Z",
  "published": "2026-08-10T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-15060"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-15060"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8626-1"
    }
  ],
  "related": [
    "USN-8626-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2026-15060"
  ]
}



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