{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ne100: Fix possible use after free in e100_xmit_prepare\n\nIn e100_xmit_prepare(), if we can't map the skb, then return -ENOMEM, so\ne100_xmit_frame() will return NETDEV_TX_BUSY and the upper layer will\nresend the skb. But the skb is already freed, which will cause UAF bug\nwhen the upper layer resends the skb.\n\nRemove the harmful free."
            }
         ],
         "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/e100.c"
               ],
               "versions": [
                  {
                     "version": "5e5d49422dfb",
                     "lessThan": "b775f37d9439",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5e5d49422dfb",
                     "lessThan": "9fc27d22cdb9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5e5d49422dfb",
                     "lessThan": "b46f6144ab89",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "5e5d49422dfb",
                     "lessThan": "45605c75c52c",
                     "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/e100.c"
               ],
               "versions": [
                  {
                     "version": "4.3",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.3",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.158",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.82",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.0.12",
                     "lessThanOrEqual": "6.0.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/b775f37d943966f6f77dca402f5a9dedce502c25"
            },
            {
               "url": "https://git.kernel.org/stable/c/9fc27d22cdb9b1fcd754599d216a8992fed280cd"
            },
            {
               "url": "https://git.kernel.org/stable/c/b46f6144ab89d3d757ead940759c505091626a7d"
            },
            {
               "url": "https://git.kernel.org/stable/c/45605c75c52c7ae7bfe902214343aabcfe5ba0ff"
            }
         ],
         "title": "e100: Fix possible use after free in e100_xmit_prepare",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-49026",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}
