{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: fix vf may be used uninitialized in this function warning\n\nTo fix the regression introduced by commit 52424f974bc5, which causes\nservers hang in very hard to reproduce conditions with resets races.\nUsing two sources for the information is the root cause.\nIn this function before the fix bumping v didn't mean bumping vf\npointer. But the code used this variables interchangeably, so stale vf\ncould point to different/not intended vf.\n\nRemove redundant \"v\" variable and iterate via single VF pointer across\nwhole function instead to guarantee VF pointer validity."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c"
               ],
               "versions": [
                  {
                     "version": "76ed715836c6",
                     "lessThan": "cc9cd02dd9e8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e88c2a1e28c5",
                     "lessThan": "9dcf0fcb80f6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9abae363af5c",
                     "lessThan": "b8e82128b44f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c39de3ae5075",
                     "lessThan": "951d2748a2a8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "52424f974bc5",
                     "lessThan": "3e89846283f3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "52424f974bc5",
                     "lessThan": "0dcf573f9977",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "52424f974bc5",
                     "lessThan": "06df7618f591",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "52424f974bc5",
                     "lessThan": "f37c4eac99c2",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c"
               ],
               "versions": [
                  {
                     "version": "6.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.1",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.312",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.274",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.215",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.154",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.85",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.26",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8.5",
                     "lessThanOrEqual": "6.8.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/cc9cd02dd9e8b7764ea9effb24f4f1dd73d1b23d"
            },
            {
               "url": "https://git.kernel.org/stable/c/9dcf0fcb80f6aeb01469e3c957f8d4c97365450a"
            },
            {
               "url": "https://git.kernel.org/stable/c/b8e82128b44fa40bf99a50b919488ef361e1683c"
            },
            {
               "url": "https://git.kernel.org/stable/c/951d2748a2a8242853abc3d0c153ce4bf8faad31"
            },
            {
               "url": "https://git.kernel.org/stable/c/3e89846283f3cf7c7a8e28b342576fd7c561d2ba"
            },
            {
               "url": "https://git.kernel.org/stable/c/0dcf573f997732702917af1563aa2493dc772fc0"
            },
            {
               "url": "https://git.kernel.org/stable/c/06df7618f591b2dc43c59967e294d7b9fc8675b6"
            },
            {
               "url": "https://git.kernel.org/stable/c/f37c4eac99c258111d414d31b740437e1925b8e8"
            }
         ],
         "title": "i40e: fix vf may be used uninitialized in this function warning",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-36020",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
