Vulnerability-Lookup

GHSA-2R23-7FX7-5R42

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-15 06:32

Details

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

KVM: arm64: account pKVM reclaim against the VM mm

Protected guest faults charge long term pins to the VM's mm. Teardown can run later from file release, where current->mm may be unrelated.

Drop the charge from kvm->mm instead.

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-72281"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:21:58Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: account pKVM reclaim against the VM mm\n\nProtected guest faults charge long term pins to the VM\u0027s mm. Teardown\ncan run later from file release, where current-\u003emm may be unrelated.\n\nDrop the charge from kvm-\u003emm instead.",
  "id": "GHSA-2r23-7fx7-5r42",
  "modified": "2026-08-15T06:32:18Z",
  "published": "2026-08-15T06:32:18Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72281"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34d8d7242c52c174add6b413d56420aa60f8054c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d098bb75d14fde2f12155f1a95ec0168160867ce"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-72281 (GCVE-0-2026-72281)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:55 – Updated: 2026-08-17 05:11

Title

KVM: arm64: account pKVM reclaim against the VM mm

Summary

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: account pKVM reclaim against the VM mm Protected guest faults charge long term pins to the VM's mm. Teardown can run later from file release, where current->mm may be unrelated. Drop the charge from kvm->mm instead.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

2 references

URL	Tags
https://git.kernel.org/stable/c/34d8d7242c52c174a…
https://git.kernel.org/stable/c/d098bb75d14fde2f1…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 4e6e03f9eaddb6be5ca8477dc5642e94ddece47e , < 34d8d7242c52c174add6b413d56420aa60f8054c (git) Affected: 4e6e03f9eaddb6be5ca8477dc5642e94ddece47e , < d098bb75d14fde2f12155f1a95ec0168160867ce (git)
Linux	Linux	Affected: 7.1 Unaffected: 0 , < 7.1 (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/arm64/kvm/pkvm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "34d8d7242c52c174add6b413d56420aa60f8054c",
              "status": "affected",
              "version": "4e6e03f9eaddb6be5ca8477dc5642e94ddece47e",
              "versionType": "git"
            },
            {
              "lessThan": "d098bb75d14fde2f12155f1a95ec0168160867ce",
              "status": "affected",
              "version": "4e6e03f9eaddb6be5ca8477dc5642e94ddece47e",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/arm64/kvm/pkvm.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "7.1"
            },
            {
              "lessThan": "7.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "7.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "7.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: account pKVM reclaim against the VM mm\n\nProtected guest faults charge long term pins to the VM\u0027s mm. Teardown\ncan run later from file release, where current-\u003emm may be unrelated.\n\nDrop the charge from kvm-\u003emm instead."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:11:42.129Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/34d8d7242c52c174add6b413d56420aa60f8054c"
        },
        {
          "url": "https://git.kernel.org/stable/c/d098bb75d14fde2f12155f1a95ec0168160867ce"
        }
      ],
      "title": "KVM: arm64: account pKVM reclaim against the VM mm",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72281",
    "datePublished": "2026-08-15T05:55:05.652Z",
    "dateReserved": "2026-08-09T03:40:39.916Z",
    "dateUpdated": "2026-08-17T05:11:42.129Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-2R23-7FX7-5R42

CVE-2026-72281 (GCVE-0-2026-72281)

Tags

Sightings

Nomenclature