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CVE-2025-68806 ksmbd: fix buffer validation by including null terminator size in EA length

🗓️ 13 Jan 2026 15:29:13Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 21 Views

ksmbd fix: include null terminator size in EA length for buffer validation in smb2_set_ea.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux		Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12
24 Jun 202615:11
–astralinux
BDU FSTEC		The vulnerability of the smb2_set_ea() function in the fs/smb/server/smb2pdu.c module, which is part of the SMB server support in Linux kernel, allows a hacker to cause a service failure.
10 Jul 202600:00
–bdu_fstec
CBLMariner		CVE-2025-68806 affecting package kernel for versions less than 6.6.121.1-1
9 Feb 202623:37
–cbl_mariner
Circl		CVE-2025-68806
19 Mar 202600:00
–circl
CNNVD		Linux kernel 安全漏洞
13 Jan 202600:00
–cnnvd
CVE		CVE-2025-68806
13 Jan 202615:29
–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-2025-68806
13 Jan 202615:29
–debiancve
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/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "d070c4dd2a5bed4e9832eec5b6c029c7d14892ea",
        "lessThan": "cae52c592a07e1d3fa3338a5f064a374a5f26750",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ba5439d9afa2722e7728df56f272c89987540a4",
        "lessThan": "a28a375a5439eb474e9f284509a407efb479c925",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ba5439d9afa2722e7728df56f272c89987540a4",
        "lessThan": "d26af6d14da43ab92d07bc60437c62901dc522e6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ba5439d9afa2722e7728df56f272c89987540a4",
        "lessThan": "6dc8cf6e7998ef7aeb9383a4c2904ea5d22fa2e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "0ba5439d9afa2722e7728df56f272c89987540a4",
        "lessThan": "95d7a890e4b03e198836d49d699408fd1867cb55",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bb5bf157b5be1643cccc7cbbe57fcdef9ae52c2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1a13ecb96230e8b7b91967e292836f7b01ec8111",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "404e7c01e16288b5e0171d1d8fd3328e806d0794",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.1.52",
        "lessThan": "6.1.160",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.131",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.4.15",
        "lessThan": "6.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.5.2",
        "lessThan": "6.6",
        "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/smb2pdu.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "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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23 May 2026 16:02Current
EPSS0.00168
ksmbdextended attributesbuffer validationnull terminatorextended attributes lengthsmb2 set
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