Vulnerability-Lookup

GHSA-RM7Q-MPPC-GXX3

Vulnerability from github – Published: 2026-05-27 15:33 – Updated: 2026-05-27 15:33

Details

In the Linux kernel, the following vulnerability has been resolved:

KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

INVLPGA should cause a #UD when EFER.SVME is not set. Add a check to properly inject #UD when EFER.SVME=0.

[sean: tag for stable@]

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46082"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-27T14:17:29Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0\n\nINVLPGA should cause a #UD when EFER.SVME is not set. Add a check to\nproperly inject #UD when EFER.SVME=0.\n\n[sean: tag for stable@]",
  "id": "GHSA-rm7q-mppc-gxx3",
  "modified": "2026-05-27T15:33:23Z",
  "published": "2026-05-27T15:33:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46082"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46082 (GCVE-0-2026-46082)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:58 – Updated: 2026-05-27 12:58

Title

KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0

Summary

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0 INVLPGA should cause a #UD when EFER.SVME is not set. Add a check to properly inject #UD when EFER.SVME=0. [sean: tag for stable@]

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/3ac9d4241d205f5d0…
https://git.kernel.org/stable/c/643125b66ffc1147c…
https://git.kernel.org/stable/c/c15392ed9e49c1a16…
https://git.kernel.org/stable/c/ee24928ecd85db4b6…
https://git.kernel.org/stable/c/d99df02ff427f4611…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < 3ac9d4241d205f5d0df06358349ca718ebb0fa12 (git) Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < 643125b66ffc1147c66616b749475ba9efb15971 (git) Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28 (git) Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < ee24928ecd85db4b68ed111e91fef36af0ca37b0 (git) Affected: ff092385e8285c03d8b148f42f46f98c5f4becd5 , < d99df02ff427f461102230f9c5b90a6c64ee8e23 (git)
Linux	Linux	Affected: 2.6.32 Unaffected: 0 , < 2.6.32 (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 7.0.* (semver) Unaffected: 7.1-rc1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kvm/svm/svm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "3ac9d4241d205f5d0df06358349ca718ebb0fa12",
              "status": "affected",
              "version": "ff092385e8285c03d8b148f42f46f98c5f4becd5",
              "versionType": "git"
            },
            {
              "lessThan": "643125b66ffc1147c66616b749475ba9efb15971",
              "status": "affected",
              "version": "ff092385e8285c03d8b148f42f46f98c5f4becd5",
              "versionType": "git"
            },
            {
              "lessThan": "c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28",
              "status": "affected",
              "version": "ff092385e8285c03d8b148f42f46f98c5f4becd5",
              "versionType": "git"
            },
            {
              "lessThan": "ee24928ecd85db4b68ed111e91fef36af0ca37b0",
              "status": "affected",
              "version": "ff092385e8285c03d8b148f42f46f98c5f4becd5",
              "versionType": "git"
            },
            {
              "lessThan": "d99df02ff427f461102230f9c5b90a6c64ee8e23",
              "status": "affected",
              "version": "ff092385e8285c03d8b148f42f46f98c5f4becd5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kvm/svm/svm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.32"
            },
            {
              "lessThan": "2.6.32",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.86",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "2.6.32",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.86",
                  "versionStartIncluding": "2.6.32",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.27",
                  "versionStartIncluding": "2.6.32",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "2.6.32",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0\n\nINVLPGA should cause a #UD when EFER.SVME is not set. Add a check to\nproperly inject #UD when EFER.SVME=0.\n\n[sean: tag for stable@]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:58:21.629Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3ac9d4241d205f5d0df06358349ca718ebb0fa12"
        },
        {
          "url": "https://git.kernel.org/stable/c/643125b66ffc1147c66616b749475ba9efb15971"
        },
        {
          "url": "https://git.kernel.org/stable/c/c15392ed9e49c1a16b4d3a3ccf1b3bf2318a6c28"
        },
        {
          "url": "https://git.kernel.org/stable/c/ee24928ecd85db4b68ed111e91fef36af0ca37b0"
        },
        {
          "url": "https://git.kernel.org/stable/c/d99df02ff427f461102230f9c5b90a6c64ee8e23"
        }
      ],
      "title": "KVM: SVM: Inject #UD for INVLPGA if EFER.SVME=0",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46082",
    "datePublished": "2026-05-27T12:58:21.629Z",
    "dateReserved": "2026-05-13T15:03:33.096Z",
    "dateUpdated": "2026-05-27T12:58:21.629Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

GHSA-RM7Q-MPPC-GXX3

CVE-2026-46082 (GCVE-0-2026-46082)

Tags

Sightings

Nomenclature