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CVE-2026-64385

🗓️ 25 Jul 2026 08:50:33Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Linux kernel SMB client fix for double free in SMB2_ioctl replay by resetting response bookkeeping before each attempt.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-64385 smb: client: fix double-free in SMB2_ioctl() replay
25 Jul 202608:50
cvelist
EUVD
EUVD-2026-48929
25 Jul 202608:50
euvd
NVD
CVE-2026-64385
25 Jul 202610:17
nvd
Positive Technologies
PT-2026-64606
25 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.6.326.6.145
OR
linuxlinux_kernelRange6.86.6.145
linuxlinux_kernelRange6.7.06.12.96
linuxlinux_kernelRange6.13.06.18.39
linuxlinux_kernelRange6.19.07.1.4
linuxlinux_kernelRange7.2.07.2-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "433042a91f9373241307725b52de573933ffedbf",
        "lessThan": "0be4bc64882edaefaaee8d1e27d083643eb778e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "96fcfc8ae7359346156e492ca610e830d2649ad6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "276c8efbc49f9303ac76d0d4deab7128581b0f3b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "fc65ffb4ef1bf540da16b17c225ae51091e07d72",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "f9bbadb6c94583e3b4af1afc449bfceb1d1ddec9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.6.32",
        "lessThan": "6.6.145",
        "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/client/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Jul 2026 10:17Current
5.9Medium risk
Vulners AI Score5.9
4