ubuntu-cve-2025-52565
Vulnerability from osv_ubuntu
Published
2025-11-05 09:00
Modified
2026-01-20 05:33
Summary
Details

runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting /dev/pts/$n to /dev/console inside the container, an attacker can trick runc into bind-mounting paths which would normally be made read-only or be masked onto a path that the attacker can write to. This attack is very similar in concept and application to CVE-2025-31133, except that it attacks a similar vulnerability in a different target (namely, the bind-mount of /dev/pts/$n to /dev/console as configured for all containers that allocate a console). This happens after pivot_root(2), so this cannot be used to write to host files directly -- however, as with CVE-2025-31133, this can load to denial of service of the host or a container breakout by providing the attacker with a writable copy of /proc/sysrq-trigger or /proc/sys/kernel/core_pattern (respectively). This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3.

Severity
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H
7.5 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
N/A (UNKNOWN)
high
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4"
          },
          {
            "binary_name": "runc",
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.8+dfsg-2",
        "0.1.1-0ubuntu5~16.04",
        "1.0.0~rc1-0ubuntu1~16.04",
        "1.0.0~rc1-0ubuntu2~16.04.1",
        "1.0.0~rc1-0ubuntu2~16.04.1.1",
        "1.0.0~rc2-0ubuntu2~16.04.1",
        "1.0.0~rc2+docker1.12.6-0ubuntu1~16.04.1",
        "1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.1",
        "1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.2",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.3",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm1",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm4"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.1.4-0ubuntu1~18.04.2+esm1"
          },
          {
            "binary_name": "runc",
            "binary_version": "1.1.4-0ubuntu1~18.04.2+esm1"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.1.4-0ubuntu1~18.04.2+esm1?arch=source\u0026distro=esm-apps/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0~rc2+docker1.13.1-0ubuntu1",
        "1.0.0~rc4+dfsg1-2",
        "1.0.0~rc4+dfsg1-6",
        "1.0.0~rc4+dfsg1-6ubuntu0.18.04.1",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.1",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2",
        "1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2+esm1",
        "1.0.0~rc10-0ubuntu1~18.04.1",
        "1.0.0~rc10-0ubuntu1~18.04.2",
        "1.0.0~rc93-0ubuntu1~18.04.1",
        "1.0.0~rc93-0ubuntu1~18.04.2",
        "1.0.0~rc95-0ubuntu1~18.04.1",
        "1.0.0~rc95-0ubuntu1~18.04.2",
        "1.0.1-0ubuntu2~18.04.1",
        "1.1.0-0ubuntu1~18.04.1",
        "1.1.4-0ubuntu1~18.04.1",
        "1.1.4-0ubuntu1~18.04.2",
        "1.1.4-0ubuntu1~18.04.2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.1.7-0ubuntu1~20.04.5"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.1.7-0ubuntu1~20.04.5?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.0~rc8+git20190923.3e425f80-0ubuntu1",
        "1.0.0~rc10-0ubuntu1",
        "1.0.0~rc93-0ubuntu1~20.04.1",
        "1.0.0~rc93-0ubuntu1~20.04.2",
        "1.0.0~rc95-0ubuntu1~20.04.1",
        "1.0.0~rc95-0ubuntu1~20.04.2",
        "1.0.1-0ubuntu2~20.04.1",
        "1.1.0-0ubuntu1~20.04.1",
        "1.1.0-0ubuntu1~20.04.2",
        "1.1.4-0ubuntu1~20.04.1",
        "1.1.4-0ubuntu1~20.04.2",
        "1.1.4-0ubuntu1~20.04.3",
        "1.1.7-0ubuntu1~20.04.1",
        "1.1.7-0ubuntu1~20.04.2",
        "1.1.7-0ubuntu1~20.04.4",
        "1.1.7-0ubuntu1~20.04.5"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "runc",
            "binary_version": "1.1.12-0ubuntu2~20.04.1"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "runc-app",
        "purl": "pkg:deb/ubuntu/runc-app@1.1.12-0ubuntu2~20.04.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.12-0ubuntu2~20.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.1.7-0ubuntu1~22.04.6"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.1.7-0ubuntu1~22.04.6?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.0.1-0ubuntu2",
        "1.0.1-0ubuntu3",
        "1.0.3-0ubuntu1",
        "1.1.0-0ubuntu1",
        "1.1.0-0ubuntu1.1",
        "1.1.4-0ubuntu1~22.04.1",
        "1.1.4-0ubuntu1~22.04.2",
        "1.1.4-0ubuntu1~22.04.3",
        "1.1.7-0ubuntu1~22.04.1",
        "1.1.7-0ubuntu1~22.04.2",
        "1.1.7-0ubuntu1~22.04.4",
        "1.1.7-0ubuntu1~22.04.5",
        "1.1.7-0ubuntu1~22.04.6"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "runc",
            "binary_version": "1.3.3-0ubuntu1~22.04.2"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "runc-app",
        "purl": "pkg:deb/ubuntu/runc-app@1.3.3-0ubuntu1~22.04.2?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.3-0ubuntu1~22.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.12-0ubuntu2~22.04.1",
        "1.2.5-0ubuntu1~22.04.1",
        "1.3.0-0ubuntu2~22.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.1.12+ds1-2ubuntu1.3"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.1.12+ds1-2ubuntu1.3?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.7-0ubuntu2",
        "1.1.10+ds1-1ubuntu1",
        "1.1.10+ds1-1ubuntu2",
        "1.1.12+ds1-1ubuntu1",
        "1.1.12+ds1-2ubuntu1",
        "1.1.12+ds1-2ubuntu1.1",
        "1.1.12+ds1-2ubuntu1.2",
        "1.1.12+ds1-2ubuntu1.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "runc",
            "binary_version": "1.3.3-0ubuntu1~24.04.2"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "runc-app",
        "purl": "pkg:deb/ubuntu/runc-app@1.3.3-0ubuntu1~24.04.2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.3-0ubuntu1~24.04.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.10-0ubuntu1",
        "1.1.12-0ubuntu1",
        "1.1.12-0ubuntu2",
        "1.1.12-0ubuntu3",
        "1.1.12-0ubuntu3.1",
        "1.2.5-0ubuntu1~24.04.1",
        "1.3.0-0ubuntu2~24.04.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.1.15+ds1-2ubuntu1"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.1.15+ds1-2ubuntu1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
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          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.1.15+ds1-2ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "runc",
            "binary_version": "1.3.3-0ubuntu1~25.10.2"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "runc-app",
        "purl": "pkg:deb/ubuntu/runc-app@1.3.3-0ubuntu1~25.10.2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
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            },
            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.2.5-0ubuntu1",
        "1.3.0-0ubuntu1",
        "1.3.0-0ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "runc-stable",
            "binary_version": "1.3.3-0ubuntu1~25.10.2"
          }
        ],
        "priority_reason": "runc developers have rated this as being high severity"
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "runc-stable",
        "purl": "pkg:deb/ubuntu/runc-stable@1.3.3-0ubuntu1~25.10.2?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.3-0ubuntu1~25.10.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.0-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "runc is a CLI tool for spawning and running containers according to the OCI specification. Versions 1.0.0-rc3 through 1.2.7, 1.3.0-rc.1 through 1.3.2, and 1.4.0-rc.1 through 1.4.0-rc.2, due to insufficient checks when bind-mounting `/dev/pts/$n` to `/dev/console` inside the container, an attacker can trick runc into bind-mounting paths which would normally be made read-only or be masked onto a path that the attacker can write to. This attack is very similar in concept and application to CVE-2025-31133, except that it attacks a similar vulnerability in a different target (namely, the bind-mount of `/dev/pts/$n` to `/dev/console` as configured for all containers that allocate a console). This happens after `pivot_root(2)`, so this cannot be used to write to host files directly -- however, as with CVE-2025-31133, this can load to denial of service of the host or a container breakout by providing the attacker with a writable copy of `/proc/sysrq-trigger` or `/proc/sys/kernel/core_pattern` (respectively). This issue is fixed in versions 1.2.8, 1.3.3 and 1.4.0-rc.3.",
  "id": "UBUNTU-CVE-2025-52565",
  "modified": "2026-01-20T05:33:08Z",
  "published": "2025-11-05T09:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-52565"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-52565"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/opencontainers/runc/security/advisories/GHSA-qw9x-cqr3-wc7r"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7851-1"
    }
  ],
  "related": [
    "USN-7851-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    },
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "high",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2025-52565"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.