cve/published/2021/CVE-2021-47120.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: fix NULL-deref on disconnect\n\nCommit 9d7b18668956 (\"HID: magicmouse: add support for Apple Magic\nTrackpad 2\") added a sanity check for an Apple trackpad but returned\nsuccess instead of -ENODEV when the check failed. This means that the\nremove callback will dereference the never-initialised driver data\npointer when the driver is later unbound (e.g. on USB disconnect)."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/hid/hid-magicmouse.c"
               ],
               "versions": [
                  {
                     "version": "9d7b18668956c411a422d04c712994c5fdb23a4b",
                     "lessThan": "368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9d7b18668956c411a422d04c712994c5fdb23a4b",
                     "lessThan": "b5d013c4c76b276890135b5d32803c4c63924b77",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9d7b18668956c411a422d04c712994c5fdb23a4b",
                     "lessThan": "9cf27473f21913a3eaf4702dd2a25415afd5f33f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "9d7b18668956c411a422d04c712994c5fdb23a4b",
                     "lessThan": "4b4f6cecca446abcb686c6e6c451d4f1ec1a7497",
                     "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/hid/hid-magicmouse.c"
               ],
               "versions": [
                  {
                     "version": "4.20",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.20",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.4.125",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.10.43",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.12.10",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.20",
                           "versionEndExcluding": "5.4.125"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.20",
                           "versionEndExcluding": "5.10.43"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.20",
                           "versionEndExcluding": "5.12.10"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.20",
                           "versionEndExcluding": "5.13"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/368c5d45a87e1bcc7f1e98e0c255c37b7b12c5d6"
            },
            {
               "url": "https://git.kernel.org/stable/c/b5d013c4c76b276890135b5d32803c4c63924b77"
            },
            {
               "url": "https://git.kernel.org/stable/c/9cf27473f21913a3eaf4702dd2a25415afd5f33f"
            },
            {
               "url": "https://git.kernel.org/stable/c/4b4f6cecca446abcb686c6e6c451d4f1ec1a7497"
            }
         ],
         "title": "HID: magicmouse: fix NULL-deref on disconnect",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47120",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}