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CVE-2026-45942 ext4: fix e4b bitmap inconsistency reports

🗓️ 27 May 2026 12:17:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Ext4 fixes e4b bitmap inconsistency and false positives from race between page migration and bitmap updates.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-45942
27 May 202612:17
attackerkb
CBLMariner
CVE-2026-45942 affecting package kernel for versions less than 6.6.139.1-1
20 May 202600:24
cbl_mariner
CNNVD
Linux kernel 安全漏洞
27 May 202600:00
cnnvd
CVE
CVE-2026-45942
27 May 202612:17
cve
Debian CVE
CVE-2026-45942
27 May 202612:17
debiancve
EUVD
EUVD-2026-32226
27 May 202615:33
euvd
NVD
CVE-2026-45942
27 May 202614:17
nvd
OSV
BELL-CVE-2026-45942
28 May 202606:10
osv
OSV
DEBIAN-CVE-2026-45942
27 May 202614:17
osv
OSV
OESA-2026-2675 kernel security update
12 Jun 202612:28
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/mballoc.c"
    ],
    "versions": [
      {
        "version": "c9de560ded61faa5b754137b7753da252391c55a",
        "lessThan": "57e83bfbe1e412ac42daced2086f3c6f9a17bba0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c9de560ded61faa5b754137b7753da252391c55a",
        "lessThan": "c05033cfc5c7699cd4df8d48cef94d01da755f24",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c9de560ded61faa5b754137b7753da252391c55a",
        "lessThan": "29a07d691d282faf38c33d4b61839b89399110f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c9de560ded61faa5b754137b7753da252391c55a",
        "lessThan": "f29709a7a3fc38f5015d850504762cdef0e151f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c9de560ded61faa5b754137b7753da252391c55a",
        "lessThan": "bdc56a9c46b2a99c12313122b9352b619a2e719e",
        "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/ext4/mballoc.c"
    ],
    "versions": [
      {
        "version": "2.6.25",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.25",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.14",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.4",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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