cve/published/2020/CVE-2020-36784.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: cadence: fix reference leak when pm_runtime_get_sync fails\n\nThe PM reference count is not expected to be incremented on\nreturn in functions cdns_i2c_master_xfer and cdns_reg_slave.\n\nHowever, pm_runtime_get_sync will increment pm usage counter\neven failed. Forgetting to putting operation will result in a\nreference 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-cadence.c"
               ],
               "versions": [
                  {
                     "version": "7fa32329ca03148fb2c07b4ef3247b8fc0488d6a",
                     "lessThan": "30410519328c94367e561fd878e5f0d3a0303585",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7fa32329ca03148fb2c07b4ef3247b8fc0488d6a",
                     "lessThan": "d57ff04e0ed6f3be1682ae861ead33f879225e07",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7fa32329ca03148fb2c07b4ef3247b8fc0488d6a",
                     "lessThan": "a45fc41beed8e0fe31864619c34aa00797fb60c1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7fa32329ca03148fb2c07b4ef3247b8fc0488d6a",
                     "lessThan": "23ceb8462dc6f4b4decdb5536a7e5fc477cdf0b6",
                     "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-cadence.c"
               ],
               "versions": [
                  {
                     "version": "4.5",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.5",
                     "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": "4.5",
                           "versionEndExcluding": "5.10.37"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.5",
                           "versionEndExcluding": "5.11.21"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.5",
                           "versionEndExcluding": "5.12.4"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "4.5",
                           "versionEndExcluding": "5.13"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/30410519328c94367e561fd878e5f0d3a0303585"
            },
            {
               "url": "https://git.kernel.org/stable/c/d57ff04e0ed6f3be1682ae861ead33f879225e07"
            },
            {
               "url": "https://git.kernel.org/stable/c/a45fc41beed8e0fe31864619c34aa00797fb60c1"
            },
            {
               "url": "https://git.kernel.org/stable/c/23ceb8462dc6f4b4decdb5536a7e5fc477cdf0b6"
            }
         ],
         "title": "i2c: cadence: fix reference leak when pm_runtime_get_sync fails",
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            "engine": "bippy-1.2.0"
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2020-36784",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}