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CVE-2026-98420 ksmbd: follow SMB2 session expiration semantics

🗓️ 14 Oct 2026 13:27:49Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 38 Views

ksmbd in Linux kernel fails to follow SMB2 session expiration semantics.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98420
14 Oct 202618:45
–circl
cve
CVE
CVE-2026-98420
14 Oct 202613:27
–cve
debiancve
Debian CVE
CVE-2026-98420
14 Oct 202613:27
–debiancve
euvd
EUVD
EUVD-2026-101069
14 Oct 202613:27
–euvd
mscve
Microsoft CVE
ksmbd: follow SMB2 session expiration semantics
21 Oct 202605:24
–mscve
nvd
NVD
CVE-2026-98420
14 Oct 202614:17
–nvd
opensuse
OPENSUSE Linux
kernel-devel-7.2.11-1.1 on GA media (moderate)
30 Oct 202600:00
–opensuse
osv_azl
osv_azl
AZL-110456 CVE-2026-98420 affecting package kernel 6.6.159.1-1
14 Oct 202614:17
–osv_azl
osv_bell
osv_bell
BELL-CVE-2026-98420
16 Oct 202606:05
–osv_bell
osv_cve
osv_cve
CVE-2026-98420 ksmbd: follow SMB2 session expiration semantics
14 Oct 202613:27
–osv_cve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/connection.c",
      "fs/smb/server/connection.h",
      "fs/smb/server/mgmt/user_session.c",
      "fs/smb/server/mgmt/user_session.h",
      "fs/smb/server/proc.c",
      "fs/smb/server/server.c",
      "fs/smb/server/smb2pdu.c",
      "fs/smb/server/smb2pdu.h",
      "fs/smb/server/stats.h"
    ],
    "versions": [
      {
        "version": "ea174a91893956450510945a0c5d1a10b5323656",
        "lessThan": "c99ea7855124ca1428a1e59c2b4590aaef34eacf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ea174a91893956450510945a0c5d1a10b5323656",
        "lessThan": "d7fd1f98607f2cd358e583f9548bdf0173090a86",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6a9601ba995d0fec635324cb9fd8d14f9bea14e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fc8a2b14ef5223f8e0b95faba2ee0a6e4d0f99d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "750a2d772e9d9ff377fd32e3b6797bf2cd847a7a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6775ee7ef4b37c521aa4cf3730f54554c4875542",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.145",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.29",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.2.16",
        "lessThan": "6.3",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.3.2",
        "lessThan": "6.4",
        "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/connection.c",
      "fs/smb/server/connection.h",
      "fs/smb/server/mgmt/user_session.c",
      "fs/smb/server/mgmt/user_session.h",
      "fs/smb/server/proc.c",
      "fs/smb/server/server.c",
      "fs/smb/server/smb2pdu.c",
      "fs/smb/server/smb2pdu.h",
      "fs/smb/server/stats.h"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.8",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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