{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()\n\nWhile looking at one unrelated syzbot bug, I found the replay logic\nin __rtnl_newlink() to potentially trigger use-after-free.\n\nIt is better to clear master_dev and m_ops inside the loop,\nin case we have to replay it."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "net/core/rtnetlink.c"
               ],
               "versions": [
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "2cf180360d66",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "7d9211678c0f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "a01e60a1ec6b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "bd43771ee975",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "3bbe2019dd12",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "def5e7070079",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "36a9a0aee881",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ba7d49b1f0f8",
                     "lessThan": "c6f6f2444bdb",
                     "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/core/rtnetlink.c"
               ],
               "versions": [
                  {
                     "version": "3.14",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.14",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.9.300",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.265",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.228",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.177",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.97",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.20",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16.6",
                     "lessThanOrEqual": "5.16.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.17",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/2cf180360d66bd657e606c1217e0e668e6faa303"
            },
            {
               "url": "https://git.kernel.org/stable/c/7d9211678c0f0624f74cdff36117ab8316697bb8"
            },
            {
               "url": "https://git.kernel.org/stable/c/a01e60a1ec6bef9be471fb7182a33c6d6f124e93"
            },
            {
               "url": "https://git.kernel.org/stable/c/bd43771ee9759dd9dfae946bff190e2c5a120de5"
            },
            {
               "url": "https://git.kernel.org/stable/c/3bbe2019dd12b8d13671ee6cda055d49637b4c39"
            },
            {
               "url": "https://git.kernel.org/stable/c/def5e7070079b2a214b3b1a2fbec623e6fbfe34a"
            },
            {
               "url": "https://git.kernel.org/stable/c/36a9a0aee881940476b254e0352581401b23f210"
            },
            {
               "url": "https://git.kernel.org/stable/c/c6f6f2444bdbe0079e41914a35081530d0409963"
            }
         ],
         "title": "rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()",
         "x_generator": {
            "engine": "bippy-7d53e8ef8be4"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48742",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}