{
   "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 bpf: Avoid memory leak from perf_env__insert_btf()\n\nperf_env__insert_btf() doesn't insert if a duplicate BTF id is\nencountered and this causes a memory leak. Modify the function to return\na success/error value and then free the memory if insertion didn't\nhappen.\n\nv2. Adds a return -1 when the insertion error occurs in\n    perf_env__fetch_btf. This doesn't affect anything as the result is\n    never checked."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "tools/perf/util/bpf-event.c",
                  "tools/perf/util/env.c",
                  "tools/perf/util/env.h"
               ],
               "versions": [
                  {
                     "version": "3792cb2ff43b",
                     "lessThan": "642fc22210a5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3792cb2ff43b",
                     "lessThan": "11589d3144bc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3792cb2ff43b",
                     "lessThan": "ab7c3d8d81c5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "3792cb2ff43b",
                     "lessThan": "4924b1f7c467",
                     "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/util/bpf-event.c",
                  "tools/perf/util/env.c",
                  "tools/perf/util/env.h"
               ],
               "versions": [
                  {
                     "version": "5.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.1",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.162",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.82",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.5",
                     "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/642fc22210a5e59d40b1e4d56d21ec3effd401f2"
            },
            {
               "url": "https://git.kernel.org/stable/c/11589d3144bc4e272e0aae46ce8156162e99babc"
            },
            {
               "url": "https://git.kernel.org/stable/c/ab7c3d8d81c511ddfb27823fb07081c96422b56e"
            },
            {
               "url": "https://git.kernel.org/stable/c/4924b1f7c46711762fd0e65c135ccfbcfd6ded1f"
            }
         ],
         "title": "perf bpf: Avoid memory leak from perf_env__insert_btf()",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47190",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}