CVE-2021-33630 (GCVE-0-2021-33630)
Vulnerability from cvelistv5
Published
2024-01-18 15:00
Modified
2025-05-07 20:14
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-476 - NULL Pointer Dereference
Summary
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. This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3.
References
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/30/10
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/30/3
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/30/4
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/30/5
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/30/9
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/31/2
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/01/31/3
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/02/02/6
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/02/02/9
securities@openeuler.org http://www.openwall.com/lists/oss-security/2024/02/03/1
securities@openeuler.org https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c
securities@openeuler.org https://gitee.com/src-openeuler/kernel/pulls/1389 Release Notes
securities@openeuler.org https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
securities@openeuler.org https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030 Vendor Advisory
securities@openeuler.org https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/30/10
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/30/3
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/30/4
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/30/5
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/30/9
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/31/2
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/01/31/3
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/02/02/6
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/02/02/9
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2024/02/03/1
af854a3a-2127-422b-91ae-364da2661108 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c
af854a3a-2127-422b-91ae-364da2661108 https://gitee.com/src-openeuler/kernel/pulls/1389 Release Notes
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
af854a3a-2127-422b-91ae-364da2661108 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031 Vendor Advisory
Impacted products
Vendor Product Version
openEuler kernel Version: 4.19.90
 Create a notification for this product.
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": "2025-05-07T20:14:40.648453Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-07T20:14:53.453Z",
          "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."
        }
      ],
      "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": "2024-06-27T12:09:01.557Z",
        "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": "2025-05-07T20:14:53.453Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33630\",\"sourceIdentifier\":\"securities@openeuler.org\",\"published\":\"2024-01-18T15:15:08.653\",\"lastModified\":\"2025-04-02T18:33:53.340\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"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.\"},{\"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\":\"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\",\"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},{\"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}]},\"weaknesses\":[{\"source\":\"securities@openeuler.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:openatom:openeuler:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"4.19.90\",\"versionEndExcluding\":\"4.19.90-2401.3\",\"matchCriteriaId\":\"49C3AB98-66E0-4EC8-A2AB-3E4722C4BFA7\"}]}]}],\"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\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/10\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/5\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/30/9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/31/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/01/31/3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/02/6\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/02/9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.openwall.com/lists/oss-security/2024/02/03/1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3e8b9bfa110896f95d602d8c98d5f9d67e41d78c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://gitee.com/src-openeuler/kernel/pulls/1389\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"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\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T23:58:21.572Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-33630\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-07T20:14:40.648453Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T11:45:39.370Z\"}}], \"cna\": {\"title\": \"NULL-ptr-deref in network sched\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-129\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-129 Pointer Manipulation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://gitee.com/src-openeuler/kernel\", \"vendor\": \"openEuler\", \"modules\": [\"network\"], \"product\": \"kernel\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"b2239f607df25fc401179e6dd4b7406f942a7632 net/sched: cbs: Fix not adding cbs instance to list\", \"status\": \"unaffected\"}], \"version\": \"4.19.90\", \"lessThan\": \"4.19.90-2401.3\", \"versionType\": \"git\"}], \"platforms\": [\"Linux\"], \"packageName\": \"kernel\", \"programFiles\": [\"https://gitee.com/openeuler/kernel/blob/openEuler-1.0-LTS/net/sched/sch_cbs.c\"], \"collectionURL\": \"https://gitee.com/src-openeuler\", \"defaultStatus\": \"unaffected\"}], \"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\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"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.\", \"supportingMedia\": [{\"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\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"CWE-476 NULL Pointer Dereference\"}]}], \"providerMetadata\": {\"orgId\": \"7e1ac599-2767-43fa-b3ea-f10178cc98f2\", \"shortName\": \"openEuler\", \"dateUpdated\": \"2024-06-27T12:09:01.557Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-33630\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-07T20:14:53.453Z\", \"dateReserved\": \"2021-05-28T14:26:05.940Z\", \"assignerOrgId\": \"7e1ac599-2767-43fa-b3ea-f10178cc98f2\", \"datePublished\": \"2024-01-18T15:00:49.312Z\", \"assignerShortName\": \"openEuler\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.