{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen/netfront: react properly to failing gnttab_end_foreign_access_ref()\n\nWhen calling gnttab_end_foreign_access_ref() the returned value must\nbe tested and the reaction to that value should be appropriate.\n\nIn case of failure in xennet_get_responses() the reaction should not be\nto crash the system, but to disable the network device.\n\nThe calls in setup_netfront() can be replaced by calls of\ngnttab_end_foreign_access(). While at it avoid double free of ring\npages and grant references via xennet_disconnect_backend() in this case.\n\nThis is CVE-2022-23042 / part of XSA-396.\n\n---\nV2:\n- avoid double free\nV3:\n- remove pointless initializer (Jan Beulich)"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/net/xen-netfront.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "c4497b057b14",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "1b9f4115738a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "c307029d811e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "0e35f3ab69bc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "206c8e271ba2",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "dea18aef2021",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "34630641e955",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "66e3531b33ee",
                     "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/xen-netfront.c"
               ],
               "versions": [
                  {
                     "version": "4.9.306",
                     "lessThanOrEqual": "4.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.271",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.234",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.184",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.105",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.28",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16.14",
                     "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/c4497b057b14274e159434f0ed70439a21f3d2a9"
            },
            {
               "url": "https://git.kernel.org/stable/c/1b9f4115738af90427a8c94a3980bc52fbb23296"
            },
            {
               "url": "https://git.kernel.org/stable/c/c307029d811e03546d18d0e512fe295b3103b8e5"
            },
            {
               "url": "https://git.kernel.org/stable/c/0e35f3ab69bcb01fdbf5aadc78f1731778963b1c"
            },
            {
               "url": "https://git.kernel.org/stable/c/206c8e271ba2630f1d809123945d9c428f93b0f0"
            },
            {
               "url": "https://git.kernel.org/stable/c/dea18aef2021022a568f4d385a1386f51a9df6ff"
            },
            {
               "url": "https://git.kernel.org/stable/c/34630641e955f23ae06db178822d99d0a9d89b20"
            },
            {
               "url": "https://git.kernel.org/stable/c/66e3531b33ee51dad17c463b4d9c9f52e341503d"
            }
         ],
         "title": "xen/netfront: react properly to failing gnttab_end_foreign_access_ref()",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2022-48900",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}