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CVE-2026-93794 smb/client: flush dirty data before punching a hole

🗓️ 24 Sep 2026 16:02:27Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Dirty folio write-back in Linux kernel smb/client fills punched holes causing data inconsistency.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-93794
24 Sep 202616:02
–cve
debiancve
Debian CVE
CVE-2026-93794
24 Sep 202616:02
–debiancve
euvd
EUVD
EUVD-2026-86181
24 Sep 202616:02
–euvd
nvd
NVD
CVE-2026-93794
24 Sep 202617:17
–nvd
osv
OSV
DEBIAN-CVE-2026-93794
24 Sep 202617:17
–osv
ubuntucve
UbuntuCve
CVE-2026-93794
24 Sep 202600:00
–ubuntucve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2ops.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "6c265aca08155e519a8f6f6071c59dff4f535f70",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "39562a56cdb515f6635c3e7bfe6629439b18a169",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "d7d2adcd022baade5cab65ca492ce63421ce3a6e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.12.111",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.53",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2ops.c"
    ],
    "versions": [
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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