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CVE-2021-47296 KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak

🗓️ 21 May 2024 14:35:19Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

CVE-2021-47296 KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak. Resolve vcpu_put not called on user copy failure

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/kvm/powerpc.c"
    ],
    "versions": [
      {
        "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
        "lessThan": "9bafc34dc4ad0cef18727c557f21ed3c3304df50",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
        "lessThan": "f38527f1890543cdfca8dfd06f75f9887cce6151",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
        "lessThan": "e14ef1095387f764d95614d3ec9e4d07c82a3533",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
        "lessThan": "a4a488915feaad38345cc01b80d52e8200ff5209",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b3cebfe8c1cadf1817939dcc3688a2504a69c662",
        "lessThan": "bc4188a2f56e821ea057aca6bf444e138d06c252",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/powerpc/kvm/powerpc.c"
    ],
    "versions": [
      {
        "version": "4.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.199",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.136",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.54",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13.6",
        "lessThanOrEqual": "5.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:51Current
6.6Medium risk
Vulners AI Score6.6
EPSS0.00011
21