CVE-2021-47313 (GCVE-0-2021-47313)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-05-11 13:52
VLAI
Title
cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init
Summary
In the Linux kernel, the following vulnerability has been resolved: cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init It's a classic example of memleak, we allocate something, we fail and never free the resources. Make sure we free all resources on policy ->init() failures.
Severity
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: a28b2bfc099c6b9caa6ef697660408e076a32019 , < b775383355755885b19d2acef977f1ca132e80a3 (git)
Affected: a28b2bfc099c6b9caa6ef697660408e076a32019 , < e1b2b2b61d30d7ce057ec17237c217d152ed97f2 (git)
Affected: a28b2bfc099c6b9caa6ef697660408e076a32019 , < fe2535a44904a77615a3af8e8fd7dafb98fb0e1b (git)
Create a notification for this product.
Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.12.19 , ≤ 5.12.* (semver)
Unaffected: 5.13.4 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)
Create a notification for this product.
linux linux_kernel Affected: a28b2bfc099c , < b77538335575 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Affected: a28b2bfc099c , < e1b2b2b61d30 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Affected: a28b2bfc099c , < fe2535a44904 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Affected: 5.11
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Unaffected: 0 , < 5.11 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Unaffected: 5.12.19 , ≤ 5.13 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Unaffected: 5.13.4 , ≤ 5.14 (custom)
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
linux linux_kernel Unaffected: 5.14
    cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThan": "b77538335575",
                "status": "affected",
                "version": "a28b2bfc099c",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThan": "e1b2b2b61d30",
                "status": "affected",
                "version": "a28b2bfc099c",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThan": "fe2535a44904",
                "status": "affected",
                "version": "a28b2bfc099c",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "status": "affected",
                "version": "5.11"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThan": "5.11",
                "status": "unaffected",
                "version": "0",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThanOrEqual": "5.13",
                "status": "unaffected",
                "version": "5.12.19",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "lessThanOrEqual": "5.14",
                "status": "unaffected",
                "version": "5.13.4",
                "versionType": "custom"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "status": "unaffected",
                "version": "5.14"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 8.4,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-47313",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-06T16:12:17.324731Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-06T17:27:34.746Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:08.527Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/cpufreq/cppc_cpufreq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "b775383355755885b19d2acef977f1ca132e80a3",
              "status": "affected",
              "version": "a28b2bfc099c6b9caa6ef697660408e076a32019",
              "versionType": "git"
            },
            {
              "lessThan": "e1b2b2b61d30d7ce057ec17237c217d152ed97f2",
              "status": "affected",
              "version": "a28b2bfc099c6b9caa6ef697660408e076a32019",
              "versionType": "git"
            },
            {
              "lessThan": "fe2535a44904a77615a3af8e8fd7dafb98fb0e1b",
              "status": "affected",
              "version": "a28b2bfc099c6b9caa6ef697660408e076a32019",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/cpufreq/cppc_cpufreq.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.11"
            },
            {
              "lessThan": "5.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.19",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.13.*",
              "status": "unaffected",
              "version": "5.13.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.12.19",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.13.4",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.14",
                  "versionStartIncluding": "5.11",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\n\nIt\u0027s a classic example of memleak, we allocate something, we fail and\nnever free the resources.\n\nMake sure we free all resources on policy -\u003einit() failures."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T13:52:04.820Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3"
        },
        {
          "url": "https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2"
        },
        {
          "url": "https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b"
        }
      ],
      "title": "cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47313",
    "datePublished": "2024-05-21T14:35:30.607Z",
    "dateReserved": "2024-05-21T14:28:16.973Z",
    "dateUpdated": "2026-05-11T13:52:04.820Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-47313",
      "date": "2026-07-24",
      "epss": "0.00258",
      "percentile": "0.17353"
    },
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\\n\\nIt\u0027s a classic example of memleak, we allocate something, we fail and\\nnever free the resources.\\n\\nMake sure we free all resources on policy -\u003einit() failures.\"}, {\"lang\": \"es\", \"value\": \" En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: cpufreq: CPPC: arregla potencial memleak en cppc_cpufreq_cpu_init Es un ejemplo cl\\u00e1sico de memleak, asignamos algo, fallamos y nunca liberamos los recursos. Aseg\\u00farese de liberar todos los recursos en fallos de pol\\u00edtica -\u0026gt;init().\"}]",
      "id": "CVE-2021-47313",
      "lastModified": "2024-11-21T06:35:51.557",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.4, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.5, \"impactScore\": 5.9}]}",
      "published": "2024-05-21T15:15:18.727",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis",
      "weaknesses": "[{\"source\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-400\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47313\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:18.727\",\"lastModified\":\"2026-06-17T04:17:10.253\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\\n\\nIt\u0027s a classic example of memleak, we allocate something, we fail and\\nnever free the resources.\\n\\nMake sure we free all resources on policy -\u003einit() failures.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: cpufreq: CPPC: arregla potencial memleak en cppc_cpufreq_cpu_init Es un ejemplo cl\u00e1sico de memleak, asignamos algo, fallamos y nunca liberamos los recursos. Aseg\u00farese de liberar todos los recursos en fallos de pol\u00edtica -\u0026gt;init().\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/cpufreq/cppc_cpufreq.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"a28b2bfc099c6b9caa6ef697660408e076a32019\",\"lessThan\":\"b775383355755885b19d2acef977f1ca132e80a3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a28b2bfc099c6b9caa6ef697660408e076a32019\",\"lessThan\":\"e1b2b2b61d30d7ce057ec17237c217d152ed97f2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"a28b2bfc099c6b9caa6ef697660408e076a32019\",\"lessThan\":\"fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/cpufreq/cppc_cpufreq.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.11\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.11\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.12.19\",\"lessThanOrEqual\":\"5.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.13.4\",\"lessThanOrEqual\":\"5.13.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.14\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"affectedData\":[{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"a28b2bfc099c\",\"lessThan\":\"b77538335575\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"a28b2bfc099c\",\"lessThan\":\"e1b2b2b61d30\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"a28b2bfc099c\",\"lessThan\":\"fe2535a44904\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"5.11\",\"status\":\"affected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"0\",\"lessThan\":\"5.11\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"5.12.19\",\"lessThanOrEqual\":\"5.13\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"5.13.4\",\"lessThanOrEqual\":\"5.14\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"linux\",\"product\":\"linux_kernel\",\"defaultStatus\":\"unknown\",\"cpes\":[\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"],\"versions\":[{\"version\":\"5.14\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-06-06T16:12:17.324731Z\",\"id\":\"CVE-2021-47313\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.12.19\",\"matchCriteriaId\":\"34C1A2F4-DD44-4CF1-8FD4-751A0D746A9E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.13\",\"versionEndExcluding\":\"5.13.4\",\"matchCriteriaId\":\"F93FA3CC-0C79-410B-A7D7-245C2AA0723A\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T14:40:14+00:00",
      "cve": "CVE-2021-47313",
      "id": "CVE-2021-47313",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "14",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47313.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-07T02:15:12Z",
      "cve": "CVE-2021-47313",
      "id": "CVE-2021-47313",
      "initial_release_date": "2024-05-23T03:04:47Z",
      "product_status:known_not_affected": "283",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-47313",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47313.json",
      "version": "18"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:32:08.527Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.4, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47313\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-06T16:12:17.324731Z\"}}}], \"affected\": [{\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"a28b2bfc099c\", \"lessThan\": \"b77538335575\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"a28b2bfc099c\", \"lessThan\": \"e1b2b2b61d30\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"a28b2bfc099c\", \"lessThan\": \"fe2535a44904\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.11\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.11\", \"versionType\": \"custom\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"5.12.19\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.13\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"5.13.4\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"5.14\"}], \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\"], \"vendor\": \"linux\", \"product\": \"linux_kernel\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"5.14\"}], \"defaultStatus\": \"unknown\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-400\", \"description\": \"CWE-400 Uncontrolled Resource Consumption\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-06T16:15:02.700Z\"}}], \"cna\": {\"title\": \"cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"a28b2bfc099c\", \"lessThan\": \"b77538335575\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a28b2bfc099c\", \"lessThan\": \"e1b2b2b61d30\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"a28b2bfc099c\", \"lessThan\": \"fe2535a44904\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/cpufreq/cppc_cpufreq.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.11\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.11\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.12.19\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.12.*\"}, {\"status\": \"unaffected\", \"version\": \"5.13.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.13.*\"}, {\"status\": \"unaffected\", \"version\": \"5.14\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/cpufreq/cppc_cpufreq.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b775383355755885b19d2acef977f1ca132e80a3\"}, {\"url\": \"https://git.kernel.org/stable/c/e1b2b2b61d30d7ce057ec17237c217d152ed97f2\"}, {\"url\": \"https://git.kernel.org/stable/c/fe2535a44904a77615a3af8e8fd7dafb98fb0e1b\"}], \"x_generator\": {\"engine\": \"bippy-9e1c9544281a\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init\\n\\nIt\u0027s a classic example of memleak, we allocate something, we fail and\\nnever free the resources.\\n\\nMake sure we free all resources on policy -\u003einit() failures.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-11-04T12:03:29.913Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47313\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-04T12:03:29.913Z\", \"dateReserved\": \"2024-05-21T14:28:16.973Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T14:35:30.607Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.