{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nperf hist: Fix memory leak of a perf_hpp_fmt\n\nperf_hpp__column_unregister() removes an entry from a list but doesn't\nfree the memory causing a memory leak spotted by leak sanitizer.\n\nAdd the free while at the same time reducing the scope of the function\nto static."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "tools/perf/ui/hist.c",
                  "tools/perf/util/hist.h"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "c5c8a26c0dc6",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "24a139c105fa",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "b380d09e44e8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "a4c17ebdd624",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "5b5c6f57a1f8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "0ca1f534a776",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "tools/perf/ui/hist.c",
                  "tools/perf/util/hist.h"
               ],
               "versions": [
                  {
                     "version": "4.14.257",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.220",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.164",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.84",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.7",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.16",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/c5c8a26c0dc69a400553245e92d741fe55f91095"
            },
            {
               "url": "https://git.kernel.org/stable/c/24a139c105fa0f7f99888cf328bf6a02fc841675"
            },
            {
               "url": "https://git.kernel.org/stable/c/b380d09e44e8479e71e3ae8446b515a5b3166244"
            },
            {
               "url": "https://git.kernel.org/stable/c/a4c17ebdd6249cb4e061358d3693383f6628e069"
            },
            {
               "url": "https://git.kernel.org/stable/c/5b5c6f57a1f81499db4c8ea597898cb1b87de0b6"
            },
            {
               "url": "https://git.kernel.org/stable/c/0ca1f534a776cc7d42f2c33da4732b74ec2790cd"
            }
         ],
         "title": "perf hist: Fix memory leak of a perf_hpp_fmt",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47545",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}