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CVE-2026-99083

🗓️ 23 Oct 2026 12:45:01Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Heap out-of-bounds write in Linux kernel ksmbd krb5_authenticate() allows memory corruption.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-99083
23 Oct 202614:37
–circl
cvelist
Cvelist
CVE-2026-99083 ksmbd: fix heap out-of-bounds write in krb5_authenticate()
23 Oct 202612:45
–cvelist
debiancve
Debian CVE
CVE-2026-99083
23 Oct 202612:45
–debiancve
euvd
EUVD
EUVD-2026-108934
23 Oct 202612:45
–euvd
nvd
NVD
CVE-2026-99083
23 Oct 202613:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-99083
23 Oct 202613:17
–osv_debian
ptsecurity
Positive Technologies
PT-2026-122060
23 Oct 202600:00
–ptsecurity
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-99083
23 Oct 202600:00
–nessus
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange0–6.6.160
linuxlinux_kernelRange0–6.12.114
linuxlinux_kernelRange0–6.18.58
linuxlinux_kernelRange0–7.2.12
OR
linuxlinux_kernelRange6.6.0–6.6.160
linuxlinux_kernelRange6.7.0–6.12.114
linuxlinux_kernelRange6.13.0–6.18.58
linuxlinux_kernelRange6.19.0–7.2.12
linuxlinux_kernelRange7.3.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "59c6dcc5dd9dafe764ca0d40525933b2be69b059",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "80af1bde97d5a85ad6f2c40ca894ccc8fa75a27a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "517404e157395d0f8da125ca956c566895dfcd06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "4722d06b2907585074252061b1024a696c1cfc23",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "23a0be6a84a38ac169eeab49017934e8e27c65f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0",
        "lessThan": "6.6.160",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.12.114",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "6.18.58",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "0",
        "lessThan": "7.2.12",
        "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/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.58",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.12",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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24 Oct 2026 14:16Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.18.8
EPSS0.00209
9