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CVE-2026-31611 ksmbd: require 3 sub-authorities before reading sub_auth[2]

🗓️ 24 Apr 2026 14:42:32Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 59 Views

CVE-2026-31611: ksmbd requires a third sub-authority before reading sub_auth[2] to avoid out-of-bounds read.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-31611
24 Apr 202614:42
–attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Smb File System Parse Dacl Heap Buffer Overflow DoS
25 Aug 202600:00
–bdu_fstec
cbl_mariner
CBLMariner
CVE-2026-31611 affecting package kernel for versions less than 6.6.137.1-1
3 May 202620:52
–cbl_mariner
cgr
Chainguard
CVE-2026-31611 vulnerabilities
1 May 202619:17
–cgr
circl
Circl
CVE-2026-31611
2 Jul 202605:49
–circl
cnnvd
CNNVD
Linux kernel 安全漏洞
24 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-31611
24 Apr 202614:42
–cve
debian
Debian
[SECURITY] [DLA 4665-1] linux security update
3 Jul 202618:38
–debian
debian
Debian
[SECURITY] [DLA 4671-1] linux-6.1 security update
5 Jul 202618:24
–debian
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": "cf2148b880fb7c0fcd727202dbc4fd5d6998b9c2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "b5b5d5936a50497fb151c0b122899a6894721c2b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "08f9e6d899b5c834bbcc239eae1bed58d9b15d2c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "d2454f4a002d08560a60f214f392e6491cf11560",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "46bbcd3ebfb3549c8da1838fc4493e79bd3241e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "9401f86a224f37b50e6a3ccf1d46a70d5ef8af0a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "53370cf9090777774e07fd9a8ebce67c6cc333ab",
        "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/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": "6.12.83",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.24",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.14",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.1",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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05 Aug 2026 12:23Current
CVSS 3.18.6
EPSS0.00536
59