{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: fix null-deref in ipv4_link_failure\n\nCurrently, we assume the skb is associated with a device before calling\n__ip_options_compile, which is not always the case if it is re-routed by\nipvs.\nWhen skb->dev is NULL, dev_net(skb->dev) will become null-dereference.\nThis patch adds a check for the edge case and switch to use the net_device\nfrom the rtable when skb->dev is NULL."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "versions": [
                  {
                     "version": "0a7e8300b7f4",
                     "lessThan": "084c7ac9e8d6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7ba5ec69e1a7",
                     "lessThan": "a2cf7bd75b39",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ed0de45a1008",
                     "lessThan": "810fd23d9715",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ed0de45a1008",
                     "lessThan": "8689c9ace976",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ed0de45a1008",
                     "lessThan": "8860d354f653",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ed0de45a1008",
                     "lessThan": "2712545e535d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ed0de45a1008",
                     "lessThan": "cda20fcddf53",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ed0de45a1008",
                     "lessThan": "0113d9c9d1cc",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "versions": [
                  {
                     "version": "4.14.327",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.296",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.258",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.198",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.134",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.56",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.5.6",
                     "lessThanOrEqual": "6.5.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/084c7ac9e8d60bf21a423490021b7c3427312955"
            },
            {
               "url": "https://git.kernel.org/stable/c/a2cf7bd75b3992e8df68dd5fdc6499b67d45f6e0"
            },
            {
               "url": "https://git.kernel.org/stable/c/810fd23d9715474aa27997584e8fc9396ef3cb67"
            },
            {
               "url": "https://git.kernel.org/stable/c/8689c9ace976d6c078e6dc844b09598796e84099"
            },
            {
               "url": "https://git.kernel.org/stable/c/8860d354f653628b6330e1c5b06b2828948135a4"
            },
            {
               "url": "https://git.kernel.org/stable/c/2712545e535d7a2e4c53b9c9658a9c88c6055862"
            },
            {
               "url": "https://git.kernel.org/stable/c/cda20fcddf53f0f959641c8ef4d50ab87ffa5124"
            },
            {
               "url": "https://git.kernel.org/stable/c/0113d9c9d1ccc07f5a3710dac4aa24b6d711278c"
            }
         ],
         "title": "ipv4: fix null-deref in ipv4_link_failure",
         "x_generator": {
            "engine": "bippy-4986f5686161"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52579",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}