cve/published/2020/CVE-2020-36779.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\ni2c: stm32f7: fix reference leak when pm_runtime_get_sync fails\n\nThe PM reference count is not expected to be incremented on\nreturn in these stm32f7_i2c_xx serious functions.\n\nHowever, pm_runtime_get_sync will increment the PM reference\ncount even failed. Forgetting to putting operation will result\nin a reference leak here.\n\nReplace it with pm_runtime_resume_and_get to keep usage\ncounter balanced."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/i2c/busses/i2c-stm32f7.c"
               ],
               "versions": [
                  {
                     "version": "ea6dd25deeb5b797a145be7f860e3085e7d104c3",
                     "lessThan": "c323b270a52a26aa8038a4d1fd9a850904a41166",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ea6dd25deeb5b797a145be7f860e3085e7d104c3",
                     "lessThan": "d791b90f5c5e5aa8ccf9e33386c16bd2b7e333a4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ea6dd25deeb5b797a145be7f860e3085e7d104c3",
                     "lessThan": "c7ea772c9fcf711ed566814b92eecaffc0e2bfd0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "ea6dd25deeb5b797a145be7f860e3085e7d104c3",
                     "lessThan": "2c662660ce2bd3b09dae21a9a9ac9395e1e6c00b",
                     "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/i2c/busses/i2c-stm32f7.c"
               ],
               "versions": [
                  {
                     "version": "5.6",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.6",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.10.37",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.11.21",
                     "lessThanOrEqual": "5.11.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.12.4",
                     "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": "5.6",
                           "versionEndExcluding": "5.10.37"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.6",
                           "versionEndExcluding": "5.11.21"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.6",
                           "versionEndExcluding": "5.12.4"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.6",
                           "versionEndExcluding": "5.13"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/c323b270a52a26aa8038a4d1fd9a850904a41166"
            },
            {
               "url": "https://git.kernel.org/stable/c/d791b90f5c5e5aa8ccf9e33386c16bd2b7e333a4"
            },
            {
               "url": "https://git.kernel.org/stable/c/c7ea772c9fcf711ed566814b92eecaffc0e2bfd0"
            },
            {
               "url": "https://git.kernel.org/stable/c/2c662660ce2bd3b09dae21a9a9ac9395e1e6c00b"
            }
         ],
         "title": "i2c: stm32f7: fix reference leak when pm_runtime_get_sync fails",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2020-36779",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}