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CVE-2026-89635 ksmbd: only rebind the reopened file's own oplock on durable reconnect

🗓️ 11 Sep 2026 19:45:29Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Linux kernel ksmbd durable reconnect rebinds foreign session oplock, use-after-free.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89635
11 Sep 202619:45
cve
euvd
EUVD
EUVD-2026-76547
11 Sep 202619:45
euvd
nvd
NVD
CVE-2026-89635
11 Sep 202620:19
nvd
ptsecurity
Positive Technologies
PT-2026-90351
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89635
11 Sep 202623:55
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/vfs_cache.c"
    ],
    "versions": [
      {
        "version": "f363a0fb134a3eb9e47368b1edbd251fd76be84b",
        "lessThan": "74e3ef4630f004c0de40c0540648a5a4033c6c9d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f363a0fb134a3eb9e47368b1edbd251fd76be84b",
        "lessThan": "3f220a0a62e6b9b391c9d1f0e6580b05173cc7f7",
        "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/smb/server/vfs_cache.c"
    ],
    "versions": [
      {
        "version": "7.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "7.2",
        "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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