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CVE-2026-31704 ksmbd: use check_add_overflow() to prevent u16 DACL size overflow

🗓️ 01 May 2026 13:56:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

ksmbd fixes u16 DACL size overflow by using check_add_overflow() during ACL entry accumulation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-31704
1 May 202613:56
attackerkb
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
astralinux
CBLMariner
CVE-2026-31704 affecting package kernel for versions less than 6.6.137.1-2
9 May 202603:31
cbl_mariner
Chainguard
CVE-2026-31704 vulnerabilities
8 May 202607:18
cgr
Circl
CVE-2026-31704
2 Jul 202605:51
circl
CNNVD
Linux kernel 安全漏洞
1 May 202600:00
cnnvd
CVE
CVE-2026-31704
1 May 202613:56
cve
Debian
[SECURITY] [DLA 4665-1] linux security update
3 Jul 202618:38
debian
Debian
[SECURITY] [DLA 4671-1] linux-6.1 security update
5 Jul 202618:24
debian
Debian CVE
CVE-2026-31704
1 May 202613:56
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/smbacl.c"
    ],
    "versions": [
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "41e53a773db6342ac9a689ee5ba635c31744c9f0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "8d5729350b236896f51379588d9a690b7fafb8db",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "e1955a94b6f17f4b058afa955a6f187eb3ed7615",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "5e7b8f3c539d69b2ed5f2408e2f75e68ce7eef43",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "ef7902be3f215b6bf7babe4dc9dd9a7d57dad7a7",
        "status": "affected",
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      {
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/smbacl.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.136",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.84",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.25",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.2",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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