cve-2021-33630
Vulnerability from cvelistv5
Published
2024-01-18 15:00
Modified
2024-10-21 11:45
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
NULL-ptr-deref in network sched
References
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/30/10
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/30/3
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/30/4
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/30/5
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/30/9
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/31/2
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/01/31/3
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/02/02/6
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/02/02/9
securities@openeuler.orghttp://www.openwall.com/lists/oss-security/2024/02/03/1
securities@openeuler.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c
securities@openeuler.orghttps://gitee.com/src-openeuler/kernel/pulls/1389Release Notes
securities@openeuler.orghttps://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
securities@openeuler.orghttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030Vendor Advisory
securities@openeuler.orghttps://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031Vendor Advisory
Impacted products
openEulerkernel
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:58:21.572Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://gitee.com/src-openeuler/kernel/pulls/1389"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/30/3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/30/4"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/30/5"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/30/9"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/30/10"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/31/3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/31/2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/02/02/6"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/02/02/9"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/02/03/1"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-33630",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-01-18T18:31:56.223904Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-21T11:45:45.236Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://gitee.com/src-openeuler",
          "defaultStatus": "unaffected",
          "modules": [
            "network"
          ],
          "packageName": "kernel",
          "platforms": [
            "Linux"
          ],
          "product": "kernel",
          "programFiles": [
            "https://gitee.com/openeuler/kernel/blob/openEuler-1.0-LTS/net/sched/sch_cbs.c"
          ],
          "repo": "https://gitee.com/src-openeuler/kernel",
          "vendor": "openEuler",
          "versions": [
            {
              "changes": [
                {
                  "at": "b2239f607df25fc401179e6dd4b7406f942a7632 net/sched: cbs: Fix not adding cbs instance to list",
                  "status": "unaffected"
                }
              ],
              "lessThan": "4.19.90-2401.3",
              "status": "affected",
              "version": "4.19.90",
              "versionType": "git"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "NULL Pointer Dereference vulnerability in openEuler kernel on Linux (network modules) allows Pointer Manipulation.\u003cp\u003e This vulnerability is associated with program files \u003ctt\u003enet/sched/sch_cbs.C\u003c/tt\u003e.\u003c/p\u003e\u003cp\u003eThis issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.\u003c/p\u003e"
            }
          ],
          "value": "NULL Pointer Dereference vulnerability in openEuler kernel on Linux (network modules) allows Pointer Manipulation. This vulnerability is associated with program files net/sched/sch_cbs.C.\n\nThis issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.\n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-129",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-129 Pointer Manipulation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-476",
              "description": "CWE-476 NULL Pointer Dereference",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-26T08:11:43.505Z",
        "orgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
        "shortName": "openEuler"
      },
      "references": [
        {
          "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030"
        },
        {
          "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031"
        },
        {
          "url": "https://gitee.com/src-openeuler/kernel/pulls/1389"
        },
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/3"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/4"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/5"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/9"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/30/10"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/31/3"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/31/2"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/02/02/6"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/02/02/9"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/02/03/1"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "NULL-ptr-deref in network sched",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
    "assignerShortName": "openEuler",
    "cveId": "CVE-2021-33630",
    "datePublished": "2024-01-18T15:00:49.312Z",
    "dateReserved": "2021-05-28T14:26:05.940Z",
    "dateUpdated": "2024-10-21T11:45:45.236Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33630\",\"sourceIdentifier\":\"securities@openeuler.org\",\"published\":\"2024-01-18T15:15:08.653\",\"lastModified\":\"2024-06-27T12:15:13.147\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"NULL Pointer Dereference vulnerability in openEuler kernel on Linux (network modules) allows Pointer Manipulation. This vulnerability is associated with program files net/sched/sch_cbs.C.\\n\\nThis issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.\\n\\n\"},{\"lang\":\"es\",\"value\":\"La vulnerabilidad de desreferencia de puntero NULL en el kernel openEuler en Linux (m\u00f3dulos de red) permite la manipulaci\u00f3n de puntero. Esta vulnerabilidad est\u00e1 asociada con los archivos de programa net/sched/sch_cbs.C. Este problema afecta al kernel de openEuler: desde 4.19.90 antes de 4.19.90-2401.3.\"}],\"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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"securities@openeuler.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]},{\"source\":\"securities@openeuler.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:huawei:openeuler:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"4.19.90\",\"versionEndExcluding\":\"4.19.90-2401.3\",\"matchCriteriaId\":\"9550E465-CD37-4936-8E17-0EB0B17E66FC\"}]}]}],\"references\":[{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/10\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/3\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/4\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/5\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/9\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/31/2\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/31/3\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/02/6\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/02/9\",\"source\":\"securities@openeuler.org\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/03/1\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://gitee.com/src-openeuler/kernel/pulls/1389\",\"source\":\"securities@openeuler.org\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\",\"source\":\"securities@openeuler.org\"},{\"url\":\"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030\",\"source\":\"securities@openeuler.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031\",\"source\":\"securities@openeuler.org\",\"tags\":[\"Vendor Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.