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CVE-2026-31463 iomap: fix invalid folio access when i_blkbits differs from I/O granularity

🗓️ 22 Apr 2026 13:53:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 58 Views

Linux kernel patch fixes invalid folio access in iomap when i_blkbits differs from IO granularity by unconditionally invalidating folio in the non-ifs case.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux Iomap Buffer Overflow
25 Aug 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
22 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-31463
22 Apr 202613:53
–cve
debiancve
Debian CVE
CVE-2026-31463
22 Apr 202613:53
–debiancve
euvd
EUVD
EUVD-2026-24805
22 Apr 202615:31
–euvd
nvd
NVD
CVE-2026-31463
22 Apr 202614:16
–nvd
osv_bell
osv_bell
BELL-CVE-2026-31463 CVE-2026-31463 does not affect BellSoft software
25 Apr 202606:10
–osv_bell
osv_debian
osv_debian
DEBIAN-CVE-2026-31463
22 Apr 202614:16
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-31463
22 Apr 202614:16
–osv_ubuntu
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/iomap/buffered-io.c"
    ],
    "versions": [
      {
        "version": "b2f35ac4146d32d4424aaa941bbc681f12c1b9e6",
        "lessThan": "4a927f670cdb0def226f9f85f42a9f19d9e09c88",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b2f35ac4146d32d4424aaa941bbc681f12c1b9e6",
        "lessThan": "bd71fb3fea9945987053968f028a948997cba8cc",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/iomap/buffered-io.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.11",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:22Current
CVSS 3.19.8
EPSS0.00553
58