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CVE-2026-90176

🗓️ 17 Sep 2026 16:07:02Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 27 Views

Linux kernel ksmbd skips byte-range lock checks for single-byte ranges via check_lock_range().

Related
Detection
Affected
Refs
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange6.1.160–6.1.188
linuxlinux_kernelRange6.6.120–6.6.157
linuxlinux_kernelRange6.12.64–6.12.110
linuxlinux_kernelRange6.18.3–6.18.52
OR
linuxlinux_kernelRange6.19–6.1.188
linuxlinux_kernelRange6.2.0–6.6.157
linuxlinux_kernelRange6.7.0–6.12.110
linuxlinux_kernelRange6.13.0–6.18.52
linuxlinux_kernelRange6.19.0–7.2.6
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/server/vfs.c"
    ],
    "versions": [
      {
        "version": "52fcbb92e0d3acfd1448b2a43b6595d540da5295",
        "lessThan": "a89cc145832e81c32199d4ca2e1ea8bd51ed601d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "da29cd197246c85c0473259f1cad897d9d28faea",
        "lessThan": "993e0158331d37c04da18efe551b5e1e35fb3078",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a6f4cfa3783804336491e0edcb250c25f9b59d33",
        "lessThan": "f751d6e39d4c937c45f8fedc66699aa7d2d52288",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "571204e4758a528fbd67330bd4b0dfbdafb33dd8",
        "lessThan": "84c2d8e807ac489f5c91769293fb15dfdae8bae8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d510ac31626ed157d2182149559430350cf2104",
        "lessThan": "07a9e289ff7edcc004f58952405f8a65c4e37512",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5d510ac31626ed157d2182149559430350cf2104",
        "lessThan": "d40c24634fe077a0dc91fd11fccf44ce12b454d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.160",
        "lessThan": "6.1.188",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.120",
        "lessThan": "6.6.157",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.64",
        "lessThan": "6.12.110",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.18.3",
        "lessThan": "6.18.52",
        "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/vfs.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "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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18 Sep 2026 18:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.1
EPSS0.00522
27