{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP\n\nIf one TCA_TAPRIO_ATTR_PRIOMAP attribute has been provided,\ntaprio_parse_mqprio_opt() must validate it, or userspace\ncan inject arbitrary data to the kernel, the second time\ntaprio_change() is called.\n\nFirst call (with valid attributes) sets dev->num_tc\nto a non zero value.\n\nSecond call (with arbitrary mqprio attributes)\nreturns early from taprio_parse_mqprio_opt()\nand bad things can happen."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/sched/sch_taprio.c"
               ],
               "versions": [
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "c6041e712446",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "6db4af09987c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "d3dde4c217f0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "0bf6cc96612b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "724050ae4b76",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "c37a27a35ead",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "a3d43c0d56f1",
                     "lessThan": "f921a58ae208",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/sched/sch_taprio.c"
               ],
               "versions": [
                  {
                     "version": "5.2",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.2",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.279",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.221",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.162",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.95",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.35",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.6",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/c6041e7124464ce7e896ee3f912897ce88a0c4ec"
            },
            {
               "url": "https://git.kernel.org/stable/c/6db4af09987cc5d5f0136bd46148b0e0460dae5b"
            },
            {
               "url": "https://git.kernel.org/stable/c/d3dde4c217f0c31ab0621912e682b57e677dd923"
            },
            {
               "url": "https://git.kernel.org/stable/c/0bf6cc96612bd396048f57d63f1ad454a846e39c"
            },
            {
               "url": "https://git.kernel.org/stable/c/724050ae4b76e4fae05a923cb54101d792cf4404"
            },
            {
               "url": "https://git.kernel.org/stable/c/c37a27a35eadb59286c9092c49c241270c802ae2"
            },
            {
               "url": "https://git.kernel.org/stable/c/f921a58ae20852d188f70842431ce6519c4fdc36"
            }
         ],
         "title": "net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-36974",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}