{
  "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-2026-80887",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-80887",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-09-04T17:11:04.063Z",
    "updatedAt": "2026-09-04T17:11:04.063Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "drm/vmwgfx: use check_add_overflow for shader size+offset bound",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/vmwgfx: use check_add_overflow for shader size+offset bound\n\nvmw_shader_define() validates the user-supplied shader window against\nits backing buffer with\n\n\t(u64)buffer->tbo.base.size < (u64)size + (u64)offset\n\ndrm_vmw_shader_create_arg::offset is __u64 in the uapi; when it is\nnear U64_MAX the unsigned addition wraps and the resulting tiny value\npasses the check.  The unbounded offset is then stored in\nres->guest_memory_offset and forwarded to host SVGA shader-create\ncommands.\n\nUse check_add_overflow() to detect the wrap and compare the resulting\nendpoint against the buffer size.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "668b206601c5f5063e03b76784a0d3024fa2b249",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1bbe7751f5ebac383405ef29a66622d65bd505d3"
            },
            {
              "version": "668b206601c5f5063e03b76784a0d3024fa2b249",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d3f44438aa805270aaead3b6840ccaea0f4c11f9"
            },
            {
              "version": "668b206601c5f5063e03b76784a0d3024fa2b249",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cfd163169af3be56eaef113c680ea251f0d09189"
            },
            {
              "version": "668b206601c5f5063e03b76784a0d3024fa2b249",
              "status": "affected",
              "versionType": "git",
              "lessThan": "5c725901908eb1e52a16fc0e2373cb761df42d21"
            },
            {
              "version": "668b206601c5f5063e03b76784a0d3024fa2b249",
              "status": "affected",
              "versionType": "git",
              "lessThan": "54d56d5b42d2e4c72ba6e365e9774da90698aa22"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.4"
            },
            {
              "version": "6.6.151",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.103",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.44",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.8",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}