CVE-2023-1829 (GCVE-0-2023-1829)

Vulnerability from cvelistv5 – Published: 2023-04-12 11:16 – Updated: 2025-02-13 16:39
VLAI
Title
Use-after-free in tcindex (traffic control index filter) in the Linux Kernel
Summary
A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation. The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure. A local attacker user can use this vulnerability to elevate its privileges to root. We recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Kernel Affected: 3.8 , ≤ 6.2 (custom)
Create a notification for this product.
Date Public
2023-02-16 08:27
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:05:26.153Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20230601-0001/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-1829",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-07T15:50:09.128361Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-07T15:50:15.160Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "kernel",
          "product": "Linux Kernel",
          "repo": "https://git.kernel.org",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.2",
              "status": "affected",
              "version": "3.8",
              "versionType": "custom"
            }
          ]
        }
      ],
      "datePublic": "2023-02-16T08:27:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003ecan be exploited to achieve local privilege escalation\u003c/span\u003e.\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eThe tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.\u0026nbsp;\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"background-color: var(--wht);\"\u003eA local attacker user can use this vulnerability to elevate its privileges to root.\u003cbr\u003e\u003c/span\u003e\u003cp\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eWe recommend upgrading past commit \u003c/span\u003e \u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\"\u003e8c710f75256bb3cf05ac7b1672c82b92c43f3d28\u003c/a\u003e.\u003c/p\u003e"
            }
          ],
          "value": "A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation.\u00a0The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.\u00a0A local attacker user can use this vulnerability to elevate its privileges to root.\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-233",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-233 Privilege Escalation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416 Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-06-01T13:06:20.579Z",
        "orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
        "shortName": "Google"
      },
      "references": [
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28"
        },
        {
          "url": "https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20230601-0001/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Use-after-free in tcindex (traffic control index filter) in the Linux Kernel",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
    "assignerShortName": "Google",
    "cveId": "CVE-2023-1829",
    "datePublished": "2023-04-12T11:16:59.101Z",
    "dateReserved": "2023-04-04T10:32:43.055Z",
    "dateUpdated": "2025-02-13T16:39:39.975Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-1829",
      "date": "2026-06-07",
      "epss": "0.00254",
      "percentile": "0.48981"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-1829\",\"sourceIdentifier\":\"cve-coordination@google.com\",\"published\":\"2023-04-12T12:15:07.080\",\"lastModified\":\"2025-02-13T17:16:00.420\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation.\u00a0The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.\u00a0A local attacker user can use this vulnerability to elevate its privileges to root.\\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"cve-coordination@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.14.308\",\"matchCriteriaId\":\"C56CFB26-8D6C-4A3D-99C5-DA43FA59DB77\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.15\",\"versionEndExcluding\":\"4.19.276\",\"matchCriteriaId\":\"C902FC54-DDBD-4DA6-BFEF-26889A267464\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.235\",\"matchCriteriaId\":\"13DD5E68-8CB4-46EE-9A8F-C7F6C1A84430\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.173\",\"matchCriteriaId\":\"4D810CFB-B7C5-493C-B98A-0D5F0D8A47B6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.100\",\"matchCriteriaId\":\"6D7E5BB5-018B-46B7-A2C4-1ADB75099822\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.18\",\"matchCriteriaId\":\"C8D24FD5-5A98-4042-9419-39DCFCBEFFF5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.2.5\",\"matchCriteriaId\":\"0575B33B-A320-4E51-84CA-10C937341E02\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230601-0001/\",\"source\":\"cve-coordination@google.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\"]},{\"url\":\"https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20230601-0001/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230601-0001/\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T06:05:26.153Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-1829\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-07T15:50:09.128361Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-07T15:49:53.060Z\"}}], \"cna\": {\"title\": \"Use-after-free in tcindex (traffic control index filter) in the Linux Kernel\", \"source\": {\"discovery\": \"EXTERNAL\"}, \"impacts\": [{\"capecId\": \"CAPEC-233\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-233 Privilege Escalation\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://git.kernel.org\", \"vendor\": \"Linux\", \"product\": \"Linux Kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.8\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"6.2\"}], \"packageName\": \"kernel\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2023-02-16T08:27:00.000Z\", \"references\": [{\"url\": \"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\"}, {\"url\": \"https://kernel.dance/#8c710f75256bb3cf05ac7b1672c82b92c43f3d28\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230601-0001/\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) can be exploited to achieve local privilege escalation.\\u00a0The tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.\\u00a0A local attacker user can use this vulnerability to elevate its privileges to root.\\nWe recommend upgrading past commit 8c710f75256bb3cf05ac7b1672c82b92c43f3d28.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A use-after-free vulnerability in the Linux Kernel traffic control index filter (tcindex) \u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003ecan be exploited to achieve local privilege escalation\u003c/span\u003e.\u0026nbsp;\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003e\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eThe tcindex_delete function which does not properly deactivate filters in case of a perfect hashes while deleting the underlying structure which can later lead to double freeing the structure.\u0026nbsp;\u003c/span\u003e\u003c/span\u003e\u003cspan style=\\\"background-color: var(--wht);\\\"\u003eA local attacker user can use this vulnerability to elevate its privileges to root.\u003cbr\u003e\u003c/span\u003e\u003cp\u003e\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eWe recommend upgrading past commit \u003c/span\u003e \u003ca target=\\\"_blank\\\" rel=\\\"nofollow\\\" href=\\\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8c710f75256bb3cf05ac7b1672c82b92c43f3d28\\\"\u003e8c710f75256bb3cf05ac7b1672c82b92c43f3d28\u003c/a\u003e.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"14ed7db2-1595-443d-9d34-6215bf890778\", \"shortName\": \"Google\", \"dateUpdated\": \"2023-06-01T13:06:20.579Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-1829\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T16:39:39.975Z\", \"dateReserved\": \"2023-04-04T10:32:43.055Z\", \"assignerOrgId\": \"14ed7db2-1595-443d-9d34-6215bf890778\", \"datePublished\": \"2023-04-12T11:16:59.101Z\", \"assignerShortName\": \"Google\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




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.