{
  "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-2022-48986",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48986",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2024-10-21T20:06:02.502Z",
    "updatedAt": "2026-08-05T08:53:16.291Z",
    "importedAt": "2026-10-24T01:56:45.230Z",
    "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": "mm/gup: fix gup_pud_range() for dax",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/gup: fix gup_pud_range() for dax\n\nFor dax pud, pud_huge() returns true on x86. So the function works as long\nas hugetlb is configured. However, dax doesn't depend on hugetlb.\nCommit 414fd080d125 (\"mm/gup: fix gup_pmd_range() for dax\") fixed\ndevmap-backed huge PMDs, but missed devmap-backed huge PUDs. Fix this as\nwell.\n\nThis fixes the below kernel panic:\n\ngeneral protection fault, probably for non-canonical address 0x69e7c000cc478: 0000 [#1] SMP\n\t< snip >\nCall Trace:\n<TASK>\nget_user_pages_fast+0x1f/0x40\niov_iter_get_pages+0xc6/0x3b0\n? mempool_alloc+0x5d/0x170\nbio_iov_iter_get_pages+0x82/0x4e0\n? bvec_alloc+0x91/0xc0\n? bio_alloc_bioset+0x19a/0x2a0\nblkdev_direct_IO+0x282/0x480\n? __io_complete_rw_common+0xc0/0xc0\n? filemap_range_has_page+0x82/0xc0\ngeneric_file_direct_write+0x9d/0x1a0\n? inode_update_time+0x24/0x30\n__generic_file_write_iter+0xbd/0x1e0\nblkdev_write_iter+0xb4/0x150\n? io_import_iovec+0x8d/0x340\nio_write+0xf9/0x300\nio_issue_sqe+0x3c3/0x1d30\n? sysvec_reschedule_ipi+0x6c/0x80\n__io_queue_sqe+0x33/0x240\n? fget+0x76/0xa0\nio_submit_sqes+0xe6a/0x18d0\n? __fget_light+0xd1/0x100\n__x64_sys_io_uring_enter+0x199/0x880\n? __context_tracking_enter+0x1f/0x70\n? irqentry_exit_to_user_mode+0x24/0x30\n? irqentry_exit+0x1d/0x30\n? __context_tracking_exit+0xe/0x70\ndo_syscall_64+0x3b/0x90\nentry_SYSCALL_64_after_hwframe+0x61/0xcb\nRIP: 0033:0x7fc97c11a7be\n\t< snip >\n</TASK>\n---[ end trace 48b2e0e67debcaeb ]---\nRIP: 0010:internal_get_user_pages_fast+0x340/0x990\n\t< snip >\nKernel panic - not syncing: Fatal exception\nKernel Offset: disabled",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "04edfa3dc06ecfc6133a33bc7271298782dee875"
            },
            {
              "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f1cf856123ceb766c49967ec79b841030fa1741f"
            },
            {
              "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3ac29732a2ffa64c7de13a072b0f2848b9c11037"
            },
            {
              "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e06d13c36ded750c72521b600293befebb4e56c5"
            },
            {
              "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7",
              "status": "affected",
              "versionType": "git",
              "lessThan": "fcd0ccd836ffad73d98a66f6fea7b16f735ea920"
            },
            {
              "version": "c133d8eb894cb280f331608c6f1962ba9fbfe6b0",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "538162d21ac877b060dc057c89f13718f5caffc5",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "8b1a7762e0dac5db42a003009fdcb425f10baa07",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.9.165",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.108",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.19.31",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.0",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.0"
            },
            {
              "version": "5.4.227",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.159",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.83",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.0.13",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}