github - ghsa-vj8j-2cq7-gxhm

GHSA-VJ8J-2CQ7-GXHM

Vulnerability from github – Published: 2025-07-25 15:30 – Updated: 2025-11-18 21:32

Details

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

LoongArch: KVM: Check validity of "num_cpu" from user space

The maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about irqchip EIOINTC, here add validation about cpu number to avoid array pointer overflow.

Severity ?

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2025-38366"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-25T13:15:25Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Check validity of \"num_cpu\" from user space\n\nThe maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about\nirqchip EIOINTC, here add validation about cpu number to avoid array\npointer overflow.",
  "id": "GHSA-vj8j-2cq7-gxhm",
  "modified": "2025-11-18T21:32:29Z",
  "published": "2025-07-25T15:30:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38366"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a3293b4078ee93174f70f36d3ab7618554ce6ab6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc8d5b209e09d3b52bca1ffe00045876842d96ae"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-38366 (GCVE-0-2025-38366)

Vulnerability from cvelistv5 – Published: 2025-07-25 12:47 – Updated: 2025-07-28 04:20

Summary

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Check validity of "num_cpu" from user space The maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about irqchip EIOINTC, here add validation about cpu number to avoid array pointer overflow.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/a3293b4078ee93174…
	https://git.kernel.org/stable/c/cc8d5b209e09d3b52…

Impacted products

Vendor

Product

Version

Linux

Affected: 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00 , < a3293b4078ee93174f70f36d3ab7618554ce6ab6 (git)
Affected: 1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00 , < cc8d5b209e09d3b52bca1ffe00045876842d96ae (git)

Linux

Affected: 6.13
Unaffected: 0 , < 6.13 (semver)
Unaffected: 6.15.5 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/kvm/intc/eiointc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a3293b4078ee93174f70f36d3ab7618554ce6ab6",
              "status": "affected",
              "version": "1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00",
              "versionType": "git"
            },
            {
              "lessThan": "cc8d5b209e09d3b52bca1ffe00045876842d96ae",
              "status": "affected",
              "version": "1ad7efa552fd5cf4e8c49fea863c5c6a5dcf9f00",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/loongarch/kvm/intc/eiointc.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.13"
            },
            {
              "lessThan": "6.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.5",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "6.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: KVM: Check validity of \"num_cpu\" from user space\n\nThe maximum supported cpu number is EIOINTC_ROUTE_MAX_VCPUS about\nirqchip EIOINTC, here add validation about cpu number to avoid array\npointer overflow."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:20:07.667Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a3293b4078ee93174f70f36d3ab7618554ce6ab6"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc8d5b209e09d3b52bca1ffe00045876842d96ae"
        }
      ],
      "title": "LoongArch: KVM: Check validity of \"num_cpu\" from user space",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38366",
    "datePublished": "2025-07-25T12:47:36.104Z",
    "dateReserved": "2025-04-16T04:51:24.008Z",
    "dateUpdated": "2025-07-28T04:20:07.667Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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-VJ8J-2CQ7-GXHM

CVE-2025-38366 (GCVE-0-2025-38366)

Tags

Sightings

Nomenclature