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CVE-2026-98870 ksmbd: remove stale channels from all sessions on teardown

🗓️ 23 Oct 2026 11:37:07Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 15 Views

Use-after-free in Linux kernel ksmbd when tearing down connections with stale channels.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98870
23 Oct 202611:56
–circl
cve
CVE
CVE-2026-98870
23 Oct 202611:37
–cve
debiancve
Debian CVE
CVE-2026-98870
23 Oct 202611:37
–debiancve
euvd
EUVD
EUVD-2026-108716
23 Oct 202611:37
–euvd
nvd
NVD
CVE-2026-98870
23 Oct 202612:18
–nvd
ptsecurity
Positive Technologies
PT-2026-121840
23 Oct 202600:00
–ptsecurity
susecve
SUSE CVE
SUSE CVE-2026-98870
23 Oct 202623:54
–susecve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/mgmt/user_session.c"
    ],
    "versions": [
      {
        "version": "b1b6ed903a6e2b3505a48706bcd499b447ef9e44",
        "lessThan": "f8200bb4994e65a2e5c5b314789eeae39078619d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "47b018dba6ec7ebf403fd2d1e713bc7acc9bbb23",
        "lessThan": "9cd6d714d3ca0cff296542dc989696884e41970f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9ef4dfd5edbd02f4bf10cd420a30896093d98a67",
        "lessThan": "b145f9b56c87f9c23ad5464ab0844dbc1de12b36",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5a5b0b7a01fe19b383b3c046546b5ae30c1a7d71",
        "lessThan": "a15cae16f4432a5ad919ee633e31b07178492955",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "faf8578c77f3d846aca9cd882c293e03eafcc6df",
        "lessThan": "b10665730fbf6b5e45fe422badcbbc3f0df96ef5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e632f21a8bc0c59abc4960482836ac3782db93c0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.222",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/mgmt/user_session.c"
    ]
  }
]

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