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CVE-2026-64400

🗓️ 25 Jul 2026 08:50:43Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 39 Views

Fix ksmbd path traversal by restricting caseless retry to ENOENT instead of all errors.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64400
25 Jul 202608:50
attackerkb
cvelist
Cvelist
CVE-2026-64400 ksmbd: prevent path traversal bypass by restricting caseless retry
25 Jul 202608:50
cvelist
debiancve
Debian CVE
CVE-2026-64400
25 Jul 202608:50
debiancve
euvd
EUVD
EUVD-2026-48944
25 Jul 202608:50
euvd
nvd
NVD
CVE-2026-64400
25 Jul 202610:17
nvd
osv
OSV
BELL-CVE-2026-64400
29 Jul 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-64400
25 Jul 202610:17
osv
osv
OSV
OPENSUSE-SU-2026:11476-1 kernel-devel-7.1.7-1.1 on GA media
9 Aug 202600:00
osv
osv
OSV
ROOT-OS-DEBIAN-12-CVE-2026-64400 CVE-2026-64400 in linux - Patched by Root
6 Aug 202604:58
osv
osv
OSV
ROOT-OS-DEBIAN-13-CVE-2026-64400 CVE-2026-64400 in linux - Patched by Root
7 Aug 202605:12
osv
Rows per page
Vulners
CNA
Node
OR
OR
linuxlinux_kernelRange5.15.1455.16
linuxlinux_kernelRange6.1.716.2
linuxlinux_kernelRange6.3.106.4
OR
linuxlinux_kernelRange6.47.1.4
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/server/vfs.c"
    ],
    "versions": [
      {
        "version": "74d7970febf7e9005375aeda0df821d2edffc9f7",
        "lessThan": "8c9a4f1327eb71efbf14842e7b8a6d965077eb67",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "74d7970febf7e9005375aeda0df821d2edffc9f7",
        "lessThan": "54bab9ba5a9f156ffa9324fcbe5a356fd0242f95",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "019aae488dbc67c97a33db03652e20e2c9e3afa7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6927ffe7479c72e7ebf885507227266a75f7c97d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ef6cc1c465786b3e4e735d1ab8b616b3e94402df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.145",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.71",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.3.10",
        "lessThan": "6.4",
        "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": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "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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11 Aug 2026 15:01Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.6
EPSS0.00357
39