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CVE-2026-90168 ksmbd: retain connection for pending notify work

🗓️ 17 Sep 2026 16:06:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Use-after-free in Linux kernel ksmbd when deferred CHANGE_NOTIFY work outlives its connection.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-90168
17 Sep 202616:06
cve
debiancve
Debian CVE
CVE-2026-90168
17 Sep 202616:06
debiancve
euvd
EUVD
EUVD-2026-81761
17 Sep 202616:06
euvd
nvd
NVD
CVE-2026-90168
17 Sep 202617:17
nvd
osv
OSV
DEBIAN-CVE-2026-90168
17 Sep 202617:17
osv
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/ksmbd_work.c",
      "fs/smb/server/ksmbd_work.h",
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "50be5e96c381ae995b7de3869eecdc84476be7f2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "f495154703cbcc0050cfd53469bd56965791616b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "7.2.6",
        "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/server/ksmbd_work.c",
      "fs/smb/server/ksmbd_work.h",
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "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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