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CVE-2026-64386 smb: client: fix query_info() replay double-free

🗓️ 25 Jul 2026 08:50:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay double-free A response-bearing attempt can return a replayable error and free itsresponse buffer. If SMB2_query_info_init() fails before the n...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-64386
25 Jul 202608:50
cve
EUVD
EUVD-2026-48930
25 Jul 202608:50
euvd
NVD
CVE-2026-64386
25 Jul 202610:17
nvd
Positive Technologies
PT-2026-64607
25 Jul 202600:00
ptsecurity
[
  {
    "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": "100fb7c455fa86d248b8bd7bb9de757c192870b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "3c81dda84799f76b42aec598564316e2964440db",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "f1add4acb656f5a82806a1ab0e63fed3d8b1bfca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "89234773e8348918111aa15f6922b58cf3843364",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4f1fffa2376922f3d1d506e49c0fd445b023a28e",
        "lessThan": "2a88561d66eb855813cf004a0abe648bbb17de5e",
        "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 08:50Current
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