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CVE-2026-92501 ext4: drain in-flight DIO before buffered write fallback

🗓️ 17 Sep 2026 16:10:14Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

Race in Linux kernel ext4 DIO fallback to buffered write causes -EIO on page cache invalidation.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ext4/file.c"
    ],
    "versions": [
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "fd7e0dab20837b9ea1eeef7c26f78ace8ac8258c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "f0af3ae09fb72382da1a5371bf6761b0264668e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "7341e234927ff215f1d5d0bcfe04b74f53af378d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "74eee4ff9698a65b2e6e15dac0e50d6526ad5f20",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "d47cdadd6e49023f7ee248048463807f1214f1ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "4e4e3eec506247c8f8bd8aaa1eb25e67016681a5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "9fd3ffc3c51c9deaba99bd7b338fff2d08f52416",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "378f32bab3714f04c4e0c3aee4129f6703805550",
        "lessThan": "15cdefd0c0522f9d5e12d947fa04f4c11649b699",
        "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/file.c"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Sep 2026 16:10Current
EPSS0.0022
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