ghsa-jwg8-85wj-r8fp
Vulnerability from github
Published
2022-05-24 19:19
Modified
2022-05-24 19:19
Details

An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-43056"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-10-28T04:15:00Z",
    "severity": "MODERATE"
  },
  "details": "An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values.",
  "id": "GHSA-jwg8-85wj-r8fp",
  "modified": "2022-05-24T19:19:11Z",
  "published": "2022-05-24T19:19:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-43056"
    },
    {
      "type": "WEB",
      "url": "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AA7EAPPKWG4LMTQQLNNSKATY6ST2KQFE"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BBM4FP3IT3JZ2O7EBS7TEOG657N4ZGRE"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RRAIS3PG4EV5WFLYESR6FXWM4BJJGWVA"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/linuxppc-dev/87pmrtbbdt.fsf@mpe.ellerman.id.au/T/#u"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2021/10/28/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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