gsd-2021-37576
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.
Aliases
Aliases
CVE-2021-37576


To clipboard 

{
   GSD: {
      alias: "CVE-2021-37576",
      description: "arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.",
      id: "GSD-2021-37576",
      references: [
         "https://www.suse.com/security/cve/CVE-2021-37576.html",
         "https://www.debian.org/security/2021/dsa-4978",
         "https://access.redhat.com/errata/RHSA-2021:4000",
         "https://access.redhat.com/errata/RHSA-2021:3987",
         "https://access.redhat.com/errata/RHSA-2021:3814",
         "https://access.redhat.com/errata/RHSA-2021:3812",
         "https://access.redhat.com/errata/RHSA-2021:3801",
         "https://access.redhat.com/errata/RHSA-2021:3768",
         "https://access.redhat.com/errata/RHSA-2021:3766",
         "https://access.redhat.com/errata/RHSA-2021:3725",
         "https://access.redhat.com/errata/RHSA-2021:3447",
         "https://access.redhat.com/errata/RHSA-2021:3446",
         "https://access.redhat.com/errata/RHSA-2021:3444",
         "https://access.redhat.com/errata/RHSA-2021:3443",
         "https://access.redhat.com/errata/RHSA-2021:3442",
         "https://access.redhat.com/errata/RHSA-2021:3436",
         "https://ubuntu.com/security/CVE-2021-37576",
         "https://alas.aws.amazon.com/cve/html/CVE-2021-37576.html",
         "https://linux.oracle.com/cve/CVE-2021-37576.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2021-37576",
         ],
         details: "arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.",
         id: "GSD-2021-37576",
         modified: "2023-12-13T01:23:10.254163Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
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            ID: "CVE-2021-37576",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
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                                       version_value: "n/a",
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         },
         references: {
            reference_data: [
               {
                  name: "https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u",
                  refsource: "MISC",
                  url: "https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u",
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               {
                  name: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f62f3c20647ebd5fb6ecb8f0b477b9281c44c10a",
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               },
               {
                  name: "[oss-security] 20210727 Re: Linux kernel: powerpc: KVM guest to host memory corruption",
                  refsource: "MLIST",
                  url: "http://www.openwall.com/lists/oss-security/2021/07/27/2",
               },
               {
                  name: "FEDORA-2021-817b3d47d2",
                  refsource: "FEDORA",
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               },
               {
                  name: "DSA-4978",
                  refsource: "DEBIAN",
                  url: "https://www.debian.org/security/2021/dsa-4978",
               },
            ],
         },
      },
      "nvd.nist.gov": {
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                        versionEndExcluding: "4.4.277",
                        versionStartIncluding: "3.10",
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                     },
                     {
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                        versionEndExcluding: "5.10.54",
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                        vulnerable: true,
                     },
                     {
                        cpe23Uri: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                        cpe_name: [],
                        versionEndExcluding: "5.13.6",
                        versionStartIncluding: "5.11",
                        vulnerable: true,
                     },
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                  operator: "OR",
               },
               {
                  children: [],
                  cpe_match: [
                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
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                     {
                        cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*",
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                  operator: "OR",
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         },
         cve: {
            CVE_data_meta: {
               ASSIGNER: "cve@mitre.org",
               ID: "CVE-2021-37576",
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "en",
                     value: "arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "en",
                           value: "CWE-787",
                        },
                     ],
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            },
            references: {
               reference_data: [
                  {
                     name: "https://lore.kernel.org/linuxppc-dev/87im0x1lqi.fsf@mpe.ellerman.id.au/T/#u",
                     refsource: "MISC",
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         },
         impact: {
            baseMetricV2: {
               acInsufInfo: false,
               cvssV2: {
                  accessComplexity: "LOW",
                  accessVector: "LOCAL",
                  authentication: "NONE",
                  availabilityImpact: "COMPLETE",
                  baseScore: 7.2,
                  confidentialityImpact: "COMPLETE",
                  integrityImpact: "COMPLETE",
                  vectorString: "AV:L/AC:L/Au:N/C:C/I:C/A:C",
                  version: "2.0",
               },
               exploitabilityScore: 3.9,
               impactScore: 10,
               obtainAllPrivilege: false,
               obtainOtherPrivilege: false,
               obtainUserPrivilege: false,
               severity: "HIGH",
               userInteractionRequired: false,
            },
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "LOCAL",
                  availabilityImpact: "HIGH",
                  baseScore: 7.8,
                  baseSeverity: "HIGH",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "LOW",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 1.8,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2023-03-01T20:15Z",
         publishedDate: "2021-07-26T22:15Z",
      },
   },
}


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