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CVE-2026-89633

🗓️ 11 Sep 2026 19:45:28Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 43 Views

OOB read/write in Linux kernel SMB client coalesce_t2() from unvalidated DataOffset.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-89633
13 Sep 202609:40
–circl
cvelist
Cvelist
CVE-2026-89633 smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()
11 Sep 202619:45
–cvelist
debiancve
Debian CVE
CVE-2026-89633
11 Sep 202619:45
–debiancve
euvd
EUVD
EUVD-2026-76545
11 Sep 202619:45
–euvd
mscve
Microsoft CVE
smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2()
13 Sep 202608:11
–mscve
nvd
NVD
CVE-2026-89633
11 Sep 202620:19
–nvd
osv
OSV
AZL-100592 CVE-2026-89633 affecting package kernel 6.6.150.1-1
11 Sep 202620:19
–osv
osv
OSV
BELL-CVE-2026-89633
15 Sep 202606:05
–osv
osv
OSV
DEBIAN-CVE-2026-89633
11 Sep 202620:19
–osv
osv
OSV
OESA-2026-4039 kernel security update
25 Sep 202601:27
–osv
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange2.6.12–6.18.51
linuxlinux_kernelRange6.19.0–7.2.4
linuxlinux_kernelRange7.3.0–7.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb1transport.c"
    ],
    "versions": [
      {
        "version": "e4eb295d38b57f4d4b956942a48887eb252d97c6",
        "lessThan": "672cf86aa6aa0fb4012ce4c3b3498df42ad67a4e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e4eb295d38b57f4d4b956942a48887eb252d97c6",
        "lessThan": "033bc80019f07d158630df4e69b19a49010f54f1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e4eb295d38b57f4d4b956942a48887eb252d97c6",
        "lessThan": "6343c1da561962688f203362d80d6a3bfa39fa1b",
        "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/client/smb1transport.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.51",
        "lessThanOrEqual": "6.18.*",
        "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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13 Sep 2026 07:17Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.19.8
EPSS0.00649
43