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CVE-2025-68786 ksmbd: skip lock-range check on equal size to avoid size==0 underflow

🗓️ 13 Jan 2026 15:28:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

The ksmbd fix skips the lock-range check when size equals i_size to avoid size underflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux
Astra Linux - уязвимость в linux-5.10, linux-6.1
20 May 202605:53
astralinux
Circl
CVE-2025-68786
19 Mar 202600:00
circl
CNNVD
Linux kernel 安全漏洞
13 Jan 202600:00
cnnvd
CVE
CVE-2025-68786
13 Jan 202615:28
cve
Debian
[SECURITY] [DLA 4476-1] linux-6.1 security update
11 Feb 202612:48
debian
Debian
[SECURITY] [DSA 6126-1] linux security update
9 Feb 202618:21
debian
Debian
[SECURITY] [DSA 6127-1] linux security update
9 Feb 202619:19
debian
Debian CVE
CVE-2025-68786
13 Jan 202615:28
debiancve
Tenable Nessus
Debian dla-4476 : linux-config-6.1 - security update
11 Feb 202600:00
nessus
Tenable Nessus
Debian dsa-6126 : ata-modules-6.12.31-armmp-di - security update
9 Feb 202600:00
nessus
Rows per page
[
  {
    "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": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "52fcbb92e0d3acfd1448b2a43b6595d540da5295",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "da29cd197246c85c0473259f1cad897d9d28faea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "a6f4cfa3783804336491e0edcb250c25f9b59d33",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "571204e4758a528fbd67330bd4b0dfbdafb33dd8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f44158485826c076335d6860d35872271a83791d",
        "lessThan": "5d510ac31626ed157d2182149559430350cf2104",
        "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/vfs.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.160",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.120",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.64",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.3",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:53Current
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