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CVE-2026-89557

🗓️ 11 Sep 2026 19:44:29Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Integer overflow in Linux kernel md super_1_load() via unchecked bblog_shift in badblocks handling.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-89557 md: do overflow check for sb->bblog_shift in super_1_load()
11 Sep 202619:44
cvelist
euvd
EUVD
EUVD-2026-76468
11 Sep 202619:44
euvd
nvd
NVD
CVE-2026-89557
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90273
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89557
11 Sep 202621:29
redhatcve
Vulners
CNA
Node
OR
linuxlinux_kernelRange3.16.12.109
linuxlinux_kernelRange6.13.06.18.50
linuxlinux_kernelRange6.19.07.2.4
linuxlinux_kernelRange7.3.07.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/md.c"
    ],
    "versions": [
      {
        "version": "2699b67223aca6b1450fc2f72e40fada952afc85",
        "lessThan": "75d15738fd33a782606d0dc80cfeff47edf2ddd8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2699b67223aca6b1450fc2f72e40fada952afc85",
        "lessThan": "3b097416b4cff77285c1f472fc2c4058d8a7554f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2699b67223aca6b1450fc2f72e40fada952afc85",
        "lessThan": "df7d4d011d5ace20699ea948712f09f9ac08924f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2699b67223aca6b1450fc2f72e40fada952afc85",
        "lessThan": "35d522bd32462afcf1981dab6da8a9256c26c1e0",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/md/md.c"
    ],
    "versions": [
      {
        "version": "3.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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