{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2025-38074",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38074",
    "idYear": 2025,
    "status": "PUBLISHED",
    "publishedAt": "2025-06-18T09:33:50.006Z",
    "updatedAt": "2026-08-05T11:59:14.881Z",
    "importedAt": "2026-10-24T01:57:34.152Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "vhost-scsi: protect vq->log_used with vq->mutex",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nvhost-scsi: protect vq->log_used with vq->mutex\n\nThe vhost-scsi completion path may access vq->log_base when vq->log_used is\nalready set to false.\n\n    vhost-thread                       QEMU-thread\n\nvhost_scsi_complete_cmd_work()\n-> vhost_add_used()\n   -> vhost_add_used_n()\n      if (unlikely(vq->log_used))\n                                      QEMU disables vq->log_used\n                                      via VHOST_SET_VRING_ADDR.\n                                      mutex_lock(&vq->mutex);\n                                      vq->log_used = false now!\n                                      mutex_unlock(&vq->mutex);\n\n\t\t\t\t      QEMU gfree(vq->log_base)\n        log_used()\n        -> log_write(vq->log_base)\n\nAssuming the VMM is QEMU. The vq->log_base is from QEMU userpace and can be\nreclaimed via gfree(). As a result, this causes invalid memory writes to\nQEMU userspace.\n\nThe control queue path has the same issue.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "80cf68489681c165ded460930e391b1eb37b5f6f"
            },
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8312a1ccff1566f375191a89b9ba71b6eb48a8cd"
            },
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "59614c5acf6688f7af3c245d359082c0e9e53117"
            },
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ca85c2d0db5f8309832be45858b960d933c2131c"
            },
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bd8c9404e44adb9f6219c09b3409a61ab7ce3427"
            },
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c0039e3afda29be469d29b3013d7f9bdee136834"
            },
            {
              "version": "057cbf49a1f08297877e46c82f707b1bfea806a8",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f591cf9fce724e5075cc67488c43c6e39e8cbe27"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.6",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.6"
            },
            {
              "version": "5.10.240",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.189",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.146",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.93",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.31",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.14.9",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.14.*"
            },
            {
              "version": "6.15",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}