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CVE-2026-64381

🗓️ 25 Jul 2026 08:50:31Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Linux kernel SMB client fixes next_buffer leak in receive_encrypted_standard by moving MAX_COMPOUND check before allocation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-64381 smb: client: Fix next buffer leak in receive_encrypted_standard()
25 Jul 202608:50
cvelist
EUVD
EUVD-2026-48925
25 Jul 202608:50
euvd
NVD
CVE-2026-64381
25 Jul 202610:17
nvd
Positive Technologies
PT-2026-64602
25 Jul 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.195.10.261
linuxlinux_kernelRange5.11.05.15.212
linuxlinux_kernelRange5.16.06.1.178
linuxlinux_kernelRange6.2.06.6.145
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/smb2ops.c"
    ],
    "versions": [
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "94e4f672db029414b9888b5137a7559f1febf2d8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "68fc0b6cc03ca58060c0f36454e169f5fe258974",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "07e0ab81df1790afa35732a4e8e07ff831b29008",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "9136a08dc29328edd9867f2545e73906ac9df93b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "67097772df7791c53d608f04bd31c676ccf79b83",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "297243e365fc9fe2f8e9b7dd535a65d922cd108b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "927d4805aea0a287d36dd4f826ee24d69a2afee3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b24df3e30cbf48255db866720fb71f14bf9d2f39",
        "lessThan": "1c6267a1d5cf4c73b656f8181b310cbbb3e4767b",
        "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/smb2ops.c"
    ],
    "versions": [
      {
        "version": "4.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "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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