Vulnerability-Lookup

CVE-2021-4115 (GCVE-0-2021-4115)

Vulnerability from cvelistv5 – Published: 2022-02-21 00:00 – Updated: 2024-08-03 17:16

Summary

There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-400

Assigner

redhat redhat root

References

6 references

URL	Tags
https://access.redhat.com/security/cve/cve-2021-4115
https://gitlab.freedesktop.org/polkit/polkit/-/is…
https://gitlab.com/redhat/centos-stream/rpms/polk…
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisory
https://www.oracle.com/security-alerts/cpujul2022.html
http://packetstormsecurity.com/files/172849/polki…

Impacted products

1 product

Vendor	Product	Version	CPE status
n/a	polkitd	Affected: 0.117

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:04.361Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://access.redhat.com/security/cve/cve-2021-4115"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gitlab.freedesktop.org/polkit/polkit/-/issues/141"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e"
          },
          {
            "name": "FEDORA-2022-5e6d5fe680",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "polkitd",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "0.117"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-400",
              "description": "CWE-400",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-12T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "url": "https://access.redhat.com/security/cve/cve-2021-4115"
        },
        {
          "url": "https://gitlab.freedesktop.org/polkit/polkit/-/issues/141"
        },
        {
          "url": "https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e"
        },
        {
          "name": "FEDORA-2022-5e6d5fe680",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
        },
        {
          "url": "http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-4115",
    "datePublished": "2022-02-21T00:00:00.000Z",
    "dateReserved": "2021-12-14T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:16:04.361Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-4115",
      "date": "2026-09-16",
      "epss": "0.0053",
      "percentile": "0.43473"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:polkit_project:polkit:0.117:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"54D39B43-A973-42A3-BD6E-F5613BBB9421\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"F4CFF558-3C47-480D-A2F0-BABF26042943\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"A930E247-0B43-43CB-98FF-6CE7B8189835\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\", \"matchCriteriaId\": \"902B8056-9E37-443B-8905-8AA93E2447FB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"AAE4D2D0-CEEB-416F-8BC5-A7987DF56190\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D3E503FB-6279-4D4A-91D8-E237ECF9D2B0\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned\"}, {\"lang\": \"es\", \"value\": \"Se presenta un fallo en polkit que puede permitir a un usuario no privilegiado causar un bloqueo de polkit, debido al agotamiento del descriptor de archivos del proceso. La mayor amenaza de esta vulnerabilidad es la disponibilidad. NOTA: La duraci\\u00f3n de la interrupci\\u00f3n del proceso de polkit est\\u00e1 ligada al proceso que falla y a la creaci\\u00f3n de uno nuevo\"}]",
      "id": "CVE-2021-4115",
      "lastModified": "2024-11-21T06:36:55.837",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 2.1, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 3.9, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2022-02-21T22:15:07.743",
      "references": "[{\"url\": \"http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://access.redhat.com/security/cve/cve-2021-4115\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://gitlab.freedesktop.org/polkit/polkit/-/issues/141\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/\", \"source\": \"secalert@redhat.com\"}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"secalert@redhat.com\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://access.redhat.com/security/cve/cve-2021-4115\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://gitlab.freedesktop.org/polkit/polkit/-/issues/141\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\", \"Patch\", \"Third Party Advisory\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://www.oracle.com/security-alerts/cpujul2022.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Third Party Advisory\"]}]",
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"secalert@redhat.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-4115\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2022-02-21T22:15:07.743\",\"lastModified\":\"2026-06-17T04:19:03.493\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned\"},{\"lang\":\"es\",\"value\":\"Se presenta un fallo en polkit que puede permitir a un usuario no privilegiado causar un bloqueo de polkit, debido al agotamiento del descriptor de archivos del proceso. La mayor amenaza de esta vulnerabilidad es la disponibilidad. NOTA: La duraci\u00f3n de la interrupci\u00f3n del proceso de polkit est\u00e1 ligada al proceso que falla y a la creaci\u00f3n de uno nuevo\"}],\"affected\":[{\"source\":\"secalert@redhat.com\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"polkitd\",\"versions\":[{\"version\":\"0.117\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:polkit_project:polkit:0.117:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"54D39B43-A973-42A3-BD6E-F5613BBB9421\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4CFF558-3C47-480D-A2F0-BABF26042943\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A930E247-0B43-43CB-98FF-6CE7B8189835\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"80E516C0-98A4-4ADE-B69F-66A772E2BAAA\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"902B8056-9E37-443B-8905-8AA93E2447FB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AAE4D2D0-CEEB-416F-8BC5-A7987DF56190\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA6FEEC2-9F11-4643-8827-749718254FED\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D3E503FB-6279-4D4A-91D8-E237ECF9D2B0\"}]}]}],\"references\":[{\"url\":\"http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/security/cve/cve-2021-4115\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://gitlab.freedesktop.org/polkit/polkit/-/issues/141\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://www.oracle.com/security-alerts/cpujul2022.html\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"http://packetstormsecurity.com/files/172849/polkit-File-Descriptor-Exhaustion.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://access.redhat.com/security/cve/cve-2021-4115\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://gitlab.com/redhat/centos-stream/rpms/polkit/-/merge_requests/6/diffs?commit_id=bf900df04dc390d389e59aa10942b0f2b15c531e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://gitlab.freedesktop.org/polkit/polkit/-/issues/141\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VGKWCBS6IDZYYDYM2WIWJM5BL7QQTWPF/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.oracle.com/security-alerts/cpujul2022.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T15:50:54+00:00",
      "cve": "CVE-2021-4115",
      "id": "CVE-2021-4115",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:fixed": "31",
      "product_status:known_not_affected": "13",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "polkit: file descriptor leak allows an unprivileged user to cause a crash",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-4115.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-03T00:49:41Z",
      "cve": "CVE-2021-4115",
      "id": "CVE-2021-4115",
      "initial_release_date": "2023-02-15T03:47:58Z",
      "product_status:known_affected": "466",
      "product_status:known_not_affected": "126",
      "product_status:recommended": "252",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-4115",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-4115.json",
      "version": "46"
    }
  }
}

RHSA-2022_1546

Vulnerability from csaf_redhat - Published: 2022-04-26 22:23 - Updated: 2024-11-22 18:30

Summary

Red Hat Security Advisory: polkit security update

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2021-4115.

CVE-2021-4115

6.2 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Fixed: 31 products

https://access.redhat.com/errata/RHSA-2022:1546

Open the full advisory

SUSE-SU-2022:0524-1

Vulnerability from csaf_suse - Published: 2022-02-18 14:11 - Updated: 2022-02-18 14:11

Summary

Security update for polkit

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2021-4115.

CVE-2021-4115

3.3 (Low)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Recommended: 29 products

Open the full advisory

SUSE-SU-2022:0525-1

Vulnerability from csaf_suse - Published: 2022-02-18 14:12 - Updated: 2022-02-18 14:12

Summary

Security update for polkit

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2021-4115.

CVE-2021-4115

3.3 (Low)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Recommended: 30 products

Open the full advisory

SUSE-SU-2022:0525-2

Vulnerability from csaf_suse - Published: 2023-02-07 16:02 - Updated: 2023-02-07 16:02

Summary

Security update for polkit

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2021-4115.

CVE-2021-4115

3.3 (Low)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Recommended: 32 products

Open the full advisory

ubuntu-cve-2021-4115

Vulnerability from osv_ubuntu

Published

2022-02-14 13:00

Modified

2026-04-22 07:39

Summary

Details

Severity

5.5 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2021-4115	REPORT
	https://securitylab.github.com/advisories/GHSL-20…	REPORT
	https://ubuntu.com/security/notices/USN-5304-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2021-4115	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-26ubuntu1.3"
          },
          {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-26ubuntu1.3"
          },
          {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-26ubuntu1.3"
          },
          {
            "binary_name": "policykit-1",
            "binary_version": "0.105-26ubuntu1.3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "policykit-1",
        "purl": "pkg:deb/ubuntu/policykit-1@0.105-26ubuntu1.3?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.105-26ubuntu1.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.105-26ubuntu1",
        "0.105-26ubuntu1.1",
        "0.105-26ubuntu1.2"
      ]
    }
  ],
  "aliases": [],
  "details": "There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned",
  "id": "UBUNTU-CVE-2021-4115",
  "modified": "2026-04-22T07:39:51Z",
  "published": "2022-02-14T13:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-4115"
    },
    {
      "type": "REPORT",
      "url": "https://securitylab.github.com/advisories/GHSL-2021-077-polkit/"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5304-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-4115"
    }
  ],
  "related": [
    "USN-5304-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-4115"
  ]
}

WID-SEC-W-2022-0773

Vulnerability from csaf_certbund - Published: 2022-02-16 23:00 - Updated: 2023-02-07 23:00

Summary

PolicyKit: Schwachstelle ermöglicht Denial of Service

Severity

Mittel

Scope

1 vulnerability in this advisory, including CVE-2021-4115.

CVE-2021-4115

Es existiert eine Schwachstelle in PolicyKit. Unter bestimmten Umständen ist der Prozessdateideskriptor erschöpft. Ein lokaler Angreifer kann diese Schwachstelle ausnutzen, um einen Denial of Service zu verursachen.

Known affected: 13 products

Open the full advisory

WID-SEC-W-2022-1335

Vulnerability from csaf_certbund - Published: 2022-09-07 22:00 - Updated: 2025-10-06 22:00

Summary

Xerox FreeFlow Print Server: Mehrere Schwachstellen

Severity

Hoch

Scope

163 vulnerabilities in this advisory, including CVE-2021-4115.

CVE-2021-4115

Known affected: 3 products

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-4115 (GCVE-0-2021-4115)

RHSA-2022_1546

SUSE-SU-2022:0524-1

SUSE-SU-2022:0525-1

SUSE-SU-2022:0525-2

ubuntu-cve-2021-4115

Vulnerability from osv_ubuntu

WID-SEC-W-2022-0773

WID-SEC-W-2022-1335

Tags

Sightings

Nomenclature

Related by attack behaviour