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CVE-2026-64390 ksmbd: track the connection owning a byte-range lock

🗓️ 25 Jul 2026 08:50:37Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

In the Linux kernel, the following vulnerability has been resolved: ksmbd: track the connection owning a byte-range lock SMB2_LOCK adds each granted byte-range lock to both the file lock listand the lock list of the connection which handled the re...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-64390
25 Jul 202608:50
cve
Debian CVE
CVE-2026-64390
25 Jul 202608:50
debiancve
EUVD
EUVD-2026-48934
25 Jul 202608:50
euvd
NVD
CVE-2026-64390
25 Jul 202610:17
nvd
Positive Technologies
PT-2026-64611
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/server/smb2pdu.c",
      "fs/smb/server/vfs_cache.c",
      "fs/smb/server/vfs_cache.h"
    ],
    "versions": [
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "22d38cf75b556c20b039743bdf3654d535b858be",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "66eb3643164e5e1029907793926c132f8b5c6148",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "ea5c9bf99f626a15cc59f645dc895f2b3f01992e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "fe20d492a69a6f79e637f438072b212e21ed3b78",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "427faaa52b0b399940c1a88065a5c310d10dad15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "5fecc15a30cb9ebd310f7b52c1ab607edcea78f6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f5a544e3bab78142207e0242d22442db85ba1eff",
        "lessThan": "c1016dd1d8b2bcd1158bbaabe94a31bb7e7431fb",
        "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/server/smb2pdu.c",
      "fs/smb/server/vfs_cache.c",
      "fs/smb/server/vfs_cache.h"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "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": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "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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