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CVE-2026-74358 ext4: fix fast commit wait/wake bit mapping on 64-bit

🗓️ 15 Aug 2026 05:58:42Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

ext4 fast commit wait/wake uses raw state value on 64-bit, bypassing i_flags upper-half offset.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-74358
15 Aug 202605:58
attackerkb
cve
CVE
CVE-2026-74358
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-74358
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59505
15 Aug 202605:58
euvd
nvd
NVD
CVE-2026-74358
15 Aug 202606:22
nvd
ptsecurity
Positive Technologies
PT-2026-72794
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/ext4.h",
      "fs/ext4/fast_commit.c"
    ],
    "versions": [
      {
        "version": "857d32f2618166765ce9306a246d0745afc76859",
        "lessThan": "e82d515092a0cf2bca92f399d5c330c324879cea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "857d32f2618166765ce9306a246d0745afc76859",
        "lessThan": "d06df6e447a8510f86db44b2522d5375362a9499",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "857d32f2618166765ce9306a246d0745afc76859",
        "lessThan": "8b3bc93fee6771775243665a0cf31857d6659775",
        "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/ext4.h",
      "fs/ext4/fast_commit.c"
    ],
    "versions": [
      {
        "version": "6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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