cve-2024-36244
Vulnerability from cvelistv5
Published
2024-06-21 10:18
Modified
2024-11-05 09:27
Severity ?
Summary
net/sched: taprio: extend minimum interval restriction to entire cycle too
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/91f249b01fe490fce11fbb4307952ca8cce78724
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b939d1e04a90248b4cdf417b0969c270ceb992b2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fb66df20a7201e60f2b13d7f95d031b31a8831d3
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T03:37:03.670Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b939d1e04a90248b4cdf417b0969c270ceb992b2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/91f249b01fe490fce11fbb4307952ca8cce78724"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/fb66df20a7201e60f2b13d7f95d031b31a8831d3"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-36244",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:09:44.304375Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-11T17:34:46.251Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/sched/sch_taprio.c",
            "tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b939d1e04a90",
              "status": "affected",
              "version": "b5b73b26b3ca",
              "versionType": "git"
            },
            {
              "lessThan": "91f249b01fe4",
              "status": "affected",
              "version": "b5b73b26b3ca",
              "versionType": "git"
            },
            {
              "lessThan": "fb66df20a720",
              "status": "affected",
              "version": "b5b73b26b3ca",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/sched/sch_taprio.c",
            "tools/testing/selftests/tc-testing/tc-tests/qdiscs/taprio.json"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.9"
            },
            {
              "lessThan": "5.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.33",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: taprio: extend minimum interval restriction to entire cycle too\n\nIt is possible for syzbot to side-step the restriction imposed by the\nblamed commit in the Fixes: tag, because the taprio UAPI permits a\ncycle-time different from (and potentially shorter than) the sum of\nentry intervals.\n\nWe need one more restriction, which is that the cycle time itself must\nbe larger than N * ETH_ZLEN bit times, where N is the number of schedule\nentries. This restriction needs to apply regardless of whether the cycle\ntime came from the user or was the implicit, auto-calculated value, so\nwe move the existing \"cycle == 0\" check outside the \"if \"(!new-\u003ecycle_time)\"\nbranch. This way covers both conditions and scenarios.\n\nAdd a selftest which illustrates the issue triggered by syzbot."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:27:10.610Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b939d1e04a90248b4cdf417b0969c270ceb992b2"
        },
        {
          "url": "https://git.kernel.org/stable/c/91f249b01fe490fce11fbb4307952ca8cce78724"
        },
        {
          "url": "https://git.kernel.org/stable/c/fb66df20a7201e60f2b13d7f95d031b31a8831d3"
        }
      ],
      "title": "net/sched: taprio: extend minimum interval restriction to entire cycle too",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-36244",
    "datePublished": "2024-06-21T10:18:06.373Z",
    "dateReserved": "2024-06-21T10:13:16.319Z",
    "dateUpdated": "2024-11-05T09:27:10.610Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-36244\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-21T11:15:09.957\",\"lastModified\":\"2024-06-21T11:22:01.687\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet/sched: taprio: extend minimum interval restriction to entire cycle too\\n\\nIt is possible for syzbot to side-step the restriction imposed by the\\nblamed commit in the Fixes: tag, because the taprio UAPI permits a\\ncycle-time different from (and potentially shorter than) the sum of\\nentry intervals.\\n\\nWe need one more restriction, which is that the cycle time itself must\\nbe larger than N * ETH_ZLEN bit times, where N is the number of schedule\\nentries. This restriction needs to apply regardless of whether the cycle\\ntime came from the user or was the implicit, auto-calculated value, so\\nwe move the existing \\\"cycle == 0\\\" check outside the \\\"if \\\"(!new-\u003ecycle_time)\\\"\\nbranch. This way covers both conditions and scenarios.\\n\\nAdd a selftest which illustrates the issue triggered by syzbot.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/91f249b01fe490fce11fbb4307952ca8cce78724\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b939d1e04a90248b4cdf417b0969c270ceb992b2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fb66df20a7201e60f2b13d7f95d031b31a8831d3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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.
  • 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.