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CVE-2026-74591 mm/filemap: __filemap_add_folio() restore index before retrying

🗓️ 22 Aug 2026 15:31:42Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Race in Linux kernel __filemap_add_folio() places folio at wrong xarray index causing SIGSEGV.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74591
22 Aug 202615:31
cve
debiancve
Debian CVE
CVE-2026-74591
22 Aug 202615:31
debiancve
euvd
EUVD
EUVD-2026-64528
22 Aug 202615:31
euvd
nvd
NVD
CVE-2026-74591
22 Aug 202616:16
nvd
osv
OSV
DEBIAN-CVE-2026-74591
22 Aug 202616:16
osv
ptsecurity
Positive Technologies
PT-2026-79596
22 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/filemap.c"
    ],
    "versions": [
      {
        "version": "200a89c159a7a416115e6e309183c82183bf98aa",
        "lessThan": "4917e3ebcab50f0265e8ca01c8567de4c4a47511",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "200a89c159a7a416115e6e309183c82183bf98aa",
        "lessThan": "267ecd2eb7759c26f1a026eb0a5b231071534c9c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "200a89c159a7a416115e6e309183c82183bf98aa",
        "lessThan": "86da3f7e1e609e1e8bfbab198af68467c5a015a5",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/filemap.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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