{
  "cveId": "CVE-2026-80685",
  "url": "https://patchblox.com/security/cve/CVE-2026-80685",
  "summary": "CVE-2026-80685 is fixed in 20 products on 1 platform, first by DEBIAN-CVE-2026-80685, released August 29, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  mm/util: don\u0027t read __page_2 for order-1 folios...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  mm/util: don\u0027t read __page_2 for order-1 folios in snapshot_page()  snapshot_page() currently reads __page_2 after checking nr_pages \u003E 1, but it should only do so when nr_pages \u003E 2.  If an order-1 folio is allocated at the end of a vmemmap section, __page_2 will not exist and reading it will cause a fault.  During DLPAR memory remove on a 22 TB ppc64le LPAR, snapshot_page() oopsed on the page isolation path while reading an order-1 folio\u0027s __page_2 from an adjacent absent section (unmapped vmemmap).  Fix this to avoid reading memmap that doesn\u0027t exist (e.g., a vmemmap hole).",
  "published": "2026-08-28T08:16:53Z",
  "severity": "high",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
  "epss": 0.00124,
  "epssPercentile": 0.02157,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "bpftool6.18",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "bpftool6.18-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-6.18.44-99.149",
      "release": "amzn 2023",
      "fixedVersion": "1:1.0-0.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-debuginfo-common-aarch64",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-debuginfo-common-x86_64",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-headers",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-modules-extra",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-modules-extra-common",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-tools",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-tools-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kernel6.18-tools-devel",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "7.1.8-1",
      "fix": "DEBIAN-CVE-2026-80685",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-80685",
      "released": "2026-08-29T00:46:20Z"
    },
    {
      "platform": "linux",
      "product": "microvm-kernel6.18",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perf6.18",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "perf6.18-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf6.18",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-perf6.18-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1:6.18.44-99.149.amzn2023",
      "fix": "ALAS2023-2026-2106",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-2106",
      "released": "2026-08-31T09:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}