CVE-2021-47296 (GCVE-0-2021-47296)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-05-11 13:51
VLAI
Title
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b3cebfe8c1cadf1817939dcc3688a2504a69c662 , < 9bafc34dc4ad0cef18727c557f21ed3c3304df50 (git)
Affected: b3cebfe8c1cadf1817939dcc3688a2504a69c662 , < f38527f1890543cdfca8dfd06f75f9887cce6151 (git)
Affected: b3cebfe8c1cadf1817939dcc3688a2504a69c662 , < e14ef1095387f764d95614d3ec9e4d07c82a3533 (git)
Affected: b3cebfe8c1cadf1817939dcc3688a2504a69c662 , < a4a488915feaad38345cc01b80d52e8200ff5209 (git)
Affected: b3cebfe8c1cadf1817939dcc3688a2504a69c662 , < bc4188a2f56e821ea057aca6bf444e138d06c252 (git)
Create a notification for this product.
Linux Linux Affected: 4.18
Unaffected: 0 , < 4.18 (semver)
Unaffected: 4.19.199 , ≤ 4.19.* (semver)
Unaffected: 5.4.136 , ≤ 5.4.* (semver)
Unaffected: 5.10.54 , ≤ 5.10.* (semver)
Unaffected: 5.13.6 , ≤ 5.13.* (semver)
Unaffected: 5.14 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47296",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-28T19:22:38.048038Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:14:24.621Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:32:08.371Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/kvm/powerpc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "9bafc34dc4ad0cef18727c557f21ed3c3304df50",
              "status": "affected",
              "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
              "versionType": "git"
            },
            {
              "lessThan": "f38527f1890543cdfca8dfd06f75f9887cce6151",
              "status": "affected",
              "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
              "versionType": "git"
            },
            {
              "lessThan": "e14ef1095387f764d95614d3ec9e4d07c82a3533",
              "status": "affected",
              "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
              "versionType": "git"
            },
            {
              "lessThan": "a4a488915feaad38345cc01b80d52e8200ff5209",
              "status": "affected",
              "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
              "versionType": "git"
            },
            {
              "lessThan": "bc4188a2f56e821ea057aca6bf444e138d06c252",
              "status": "affected",
              "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/powerpc/kvm/powerpc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.18"
            },
            {
              "lessThan": "4.18",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.199",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.136",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.54",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.13.*",
              "status": "unaffected",
              "version": "5.13.6",
              "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": "4.19.199",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.136",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.54",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.13.6",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.14",
                  "versionStartIncluding": "4.18",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak\n\nvcpu_put is not called if the user copy fails. This can result in preempt\nnotifier corruption and crashes, among other issues."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T13:51:44.779Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50"
        },
        {
          "url": "https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151"
        },
        {
          "url": "https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533"
        },
        {
          "url": "https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209"
        },
        {
          "url": "https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252"
        }
      ],
      "title": "KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47296",
    "datePublished": "2024-05-21T14:35:19.341Z",
    "dateReserved": "2024-05-21T13:27:52.130Z",
    "dateUpdated": "2026-05-11T13:51:44.779Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-47296",
      "date": "2026-05-26",
      "epss": "0.00011",
      "percentile": "0.01436"
    },
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nKVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak\\n\\nvcpu_put is not called if the user copy fails. This can result in preempt\\nnotifier corruption and crashes, among other issues.\"}, {\"lang\": \"es\", \"value\": \" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: PPC: correcci\\u00f3n de fuga de kvm_arch_vcpu_ioctl vcpu_load. No se llama a vcpu_put si falla la copia del usuario. Esto puede provocar da\\u00f1os y bloqueos del notificador preventivo, entre otros problemas.\"}]",
      "id": "CVE-2021-47296",
      "lastModified": "2024-11-21T06:35:49.233",
      "published": "2024-05-21T15:15:17.477",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}, {\"url\": \"https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Awaiting Analysis"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47296\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-21T15:15:17.477\",\"lastModified\":\"2025-06-23T20:19:54.287\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nKVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak\\n\\nvcpu_put is not called if the user copy fails. This can result in preempt\\nnotifier corruption and crashes, among other issues.\"},{\"lang\":\"es\",\"value\":\" En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: PPC: correcci\u00f3n de fuga de kvm_arch_vcpu_ioctl vcpu_load. No se llama a vcpu_put si falla la copia del usuario. Esto puede provocar da\u00f1os y bloqueos del notificador preventivo, entre otros problemas.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.18\",\"versionEndExcluding\":\"4.19.199\",\"matchCriteriaId\":\"A14B3FB8-763B-434E-88A7-97AC33E54F7F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.136\",\"matchCriteriaId\":\"E1FCD98C-8886-4844-B7AF-C42731DF9465\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.54\",\"matchCriteriaId\":\"1BD5A2EE-859F-40FC-BDAC-167AAE37C870\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.13.6\",\"matchCriteriaId\":\"512C22FC-1524-4E6F-9E62-4F4B7B6E0576\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"71268287-21A8-4488-AA4F-23C473153131\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"23B9E5C6-FAB5-4A02-9E39-27C8787B0991\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:32:08.371Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47296\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-05-28T19:22:38.048038Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-28T19:22:47.399Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"b3cebfe8c1cadf1817939dcc3688a2504a69c662\", \"lessThan\": \"9bafc34dc4ad0cef18727c557f21ed3c3304df50\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b3cebfe8c1cadf1817939dcc3688a2504a69c662\", \"lessThan\": \"f38527f1890543cdfca8dfd06f75f9887cce6151\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b3cebfe8c1cadf1817939dcc3688a2504a69c662\", \"lessThan\": \"e14ef1095387f764d95614d3ec9e4d07c82a3533\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b3cebfe8c1cadf1817939dcc3688a2504a69c662\", \"lessThan\": \"a4a488915feaad38345cc01b80d52e8200ff5209\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b3cebfe8c1cadf1817939dcc3688a2504a69c662\", \"lessThan\": \"bc4188a2f56e821ea057aca6bf444e138d06c252\", \"versionType\": \"git\"}], \"programFiles\": [\"arch/powerpc/kvm/powerpc.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.18\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.18\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.199\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.136\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.54\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.13.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.13.*\"}, {\"status\": \"unaffected\", \"version\": \"5.14\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"arch/powerpc/kvm/powerpc.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50\"}, {\"url\": \"https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151\"}, {\"url\": \"https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533\"}, {\"url\": \"https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209\"}, {\"url\": \"https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nKVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak\\n\\nvcpu_put is not called if the user copy fails. This can result in preempt\\nnotifier corruption and crashes, among other issues.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T07:39:12.381Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2021-47296\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T07:39:12.381Z\", \"dateReserved\": \"2024-05-21T13:27:52.130Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-21T14:35:19.341Z\", \"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.