usn-4867-1
Vulnerability from osv_ubuntu
Published
2021-08-10 19:58
Modified
2026-06-25 10:45
Summary
runc vulnerabilities
Details

It was discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount over the /proc directory and escalate privileges. (CVE-2019-16884)

Etienne Champetier discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount the host filesystem into the container and escalate privileges. (CVE-2021-30465)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-16884",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-30465",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "golang-github-opencontainers-runc-dev",
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2"
          },
          {
            "binary_name": "runc",
            "binary_version": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "runc",
        "purl": "pkg:deb/ubuntu/runc@1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2"
            }
          ],
          "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"
      ]
    }
  ],
  "aliases": [],
  "details": "It was discovered that runC incorrectly checked mount targets. An attacker\nwith a malicious container image could possibly mount over the /proc\ndirectory and escalate privileges. (CVE-2019-16884)\n\nEtienne Champetier discovered that runC incorrectly checked mount targets.\nAn attacker with a malicious container image could possibly mount the host\nfilesystem into the container and escalate privileges. (CVE-2021-30465)",
  "id": "USN-4867-1",
  "modified": "2026-06-25T10:45:59Z",
  "published": "2021-08-10T19:58:08Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4867-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-16884"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-30465"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "runc vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2019-16884",
    "UBUNTU-CVE-2021-30465"
  ]
}



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