usn-8579-1
Vulnerability from osv_ubuntu
Published
2026-07-21 14:24
Modified
2026-07-21 14:24
Summary
snapd vulnerabilities
Details

James Henstridge discovered that snapd's default apparmor template did not restrict access to systemd-userdbd varlink interface. A local attacker could possibly use this issue to obtain sensitive information. (CVE-2024-5300)

Qualys discovered that snap-confine can be tricked to create attacker-controlled files at certain privileged locations. A local attacker could possibly use this issue to bypass intended restrictions and escalate privileges to root. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-8933)

Zygmunt Krynicki discovered that snapd's default seccomp template did not restrict the creation of executables with the set-user-ID attribute. A local attacker could possibly use this issue to create and execute setuid binaries. (CVE-2026-15226)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-5300",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-15226",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
        "binaries": [
          {
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            "binary_version": "2.61.4ubuntu0.16.04.1+esm4"
          },
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            "binary_version": "2.61.4ubuntu0.16.04.1+esm4"
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                },
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                  "score": "medium",
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            {
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        }
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            "binary_version": "2.61.4ubuntu0.18.04.1+esm4"
          },
          {
            "binary_name": "snap-confine",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm4"
          },
          {
            "binary_name": "snapd",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm4"
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            "binary_name": "snapd-xdg-open",
            "binary_version": "2.61.4ubuntu0.18.04.1+esm4"
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      },
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        "name": "snapd",
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      },
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              "id": "CVE-2024-5300",
              "severity": [
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                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
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            {
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                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.67.1+20.04ubuntu1~esm3"
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            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.67.1+20.04ubuntu1~esm3"
          },
          {
            "binary_name": "snap-confine",
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          },
          {
            "binary_name": "snapd",
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            "binary_name": "snapd-xdg-open",
            "binary_version": "2.67.1+20.04ubuntu1~esm3"
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            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.67.1+20.04ubuntu1~esm3"
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            "binary_name": "ubuntu-snappy-cli",
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        ]
      },
      "package": {
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        "name": "snapd",
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        "2.62+20.04",
        "2.63+20.04",
        "2.63+20.04ubuntu0.1",
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        "2.66.1+20.04",
        "2.67.1+20.04",
        "2.67.1+20.04ubuntu1~esm1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-5300",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-8933",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-15226",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.76+ubuntu22.04.1"
          },
          {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.76+ubuntu22.04.1"
          },
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          },
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            "binary_name": "snapd",
            "binary_version": "2.76+ubuntu22.04.1"
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            "binary_version": "2.76+ubuntu22.04.1"
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            "binary_version": "2.76+ubuntu22.04.1"
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        "name": "snapd",
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        "2.54.2+22.04ubuntu3",
        "2.54.3+git19.g868fc21+22.04",
        "2.54.3+git26.g360067e+22.04",
        "2.55.2+22.04",
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        "2.55.3+22.04ubuntu1",
        "2.55.5+22.04",
        "2.56.2+22.04ubuntu1",
        "2.57.4+22.04",
        "2.57.5+22.04",
        "2.57.5+22.04ubuntu0.1",
        "2.58+22.04",
        "2.58+22.04.1",
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        "2.62+22.04",
        "2.63+22.04",
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        "2.71+ubuntu22.04",
        "2.72+ubuntu22.04",
        "2.73+ubuntu22.04",
        "2.73+ubuntu22.04.1",
        "2.74.1+ubuntu22.04.4",
        "2.75.2+ubuntu22.04",
        "2.76+ubuntu22.04"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-5300",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-8933",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-15226",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.76+ubuntu24.04.1"
          },
          {
            "binary_name": "golang-github-ubuntu-core-snappy-dev",
            "binary_version": "2.76+ubuntu24.04.1"
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            "binary_name": "snap-confine",
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          {
            "binary_name": "snapd",
            "binary_version": "2.76+ubuntu24.04.1"
          },
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            "binary_name": "snapd-xdg-open",
            "binary_version": "2.76+ubuntu24.04.1"
          },
          {
            "binary_name": "ubuntu-core-launcher",
            "binary_version": "2.76+ubuntu24.04.1"
          },
          {
            "binary_name": "ubuntu-core-snapd-units",
            "binary_version": "2.76+ubuntu24.04.1"
          },
          {
            "binary_name": "ubuntu-snappy",
            "binary_version": "2.76+ubuntu24.04.1"
          },
          {
            "binary_name": "ubuntu-snappy-cli",
            "binary_version": "2.76+ubuntu24.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "snapd",
        "purl": "pkg:deb/ubuntu/snapd@2.76+ubuntu24.04.1?arch=source\u0026distro=noble"
      },
      "ranges": [
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      ],
      "versions": [
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        "2.63.1+24.04",
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        "2.71+ubuntu24.04",
        "2.72+ubuntu24.04",
        "2.73+ubuntu24.04",
        "2.73+ubuntu24.04.1",
        "2.73+ubuntu24.04.2",
        "2.74.1+ubuntu24.04.4",
        "2.75.2+ubuntu24.04",
        "2.76+ubuntu24.04"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-5300",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-8933",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-15226",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:26.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "golang-github-snapcore-snapd-dev",
            "binary_version": "2.76+ubuntu26.04.3"
          },
          {
            "binary_name": "snapd",
            "binary_version": "2.76+ubuntu26.04.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "snapd",
        "purl": "pkg:deb/ubuntu/snapd@2.76+ubuntu26.04.3?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.76+ubuntu26.04.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.71.1+ubuntu25.10.1",
        "2.72+ubuntu26.04.1",
        "2.73+ubuntu26.04.1",
        "2.74+ubuntu26.04",
        "2.74.1+ubuntu26.04",
        "2.74.1+ubuntu26.04.3",
        "2.74.1+ubuntu26.04.4",
        "2.75.2+ubuntu26.04.2",
        "2.76+ubuntu26.04.2"
      ]
    }
  ],
  "aliases": [],
  "details": "James Henstridge discovered that snapd\u0027s default apparmor template did\nnot restrict access to systemd-userdbd varlink interface. A local\nattacker could possibly use this issue to obtain sensitive information.\n(CVE-2024-5300)\n\nQualys discovered that snap-confine can be tricked to create\nattacker-controlled files at certain privileged locations. A local\nattacker could possibly use this issue to bypass intended restrictions\nand escalate privileges to root. This issue only affected\nUbuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-8933)\n\nZygmunt Krynicki discovered that snapd\u0027s default seccomp template\ndid not restrict the creation of executables with the set-user-ID\nattribute. A local attacker could possibly use this issue to create\nand execute setuid binaries. (CVE-2026-15226)",
  "id": "USN-8579-1",
  "modified": "2026-07-21T14:24:27Z",
  "published": "2026-07-21T14:24:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8579-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-5300"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-8933"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-15226"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "snapd vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-5300",
    "UBUNTU-CVE-2026-8933",
    "UBUNTU-CVE-2026-15226"
  ]
}



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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.