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CVE-2026-43490

🗓️ 15 May 2026 05:15:37Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 15 Views

ksmbd validates inherited ACE SID length and count to prevent overflow when inheriting DACL.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43490
15 May 202605:15
attackerkb
Circl
CVE-2026-43490
22 May 202613:05
circl
CNNVD
Linux kernel 安全漏洞
15 May 202600:00
cnnvd
Cvelist
CVE-2026-43490 ksmbd: validate inherited ACE SID length
15 May 202605:15
cvelist
Debian
[SECURITY] [DSA 6274-1] linux security update
15 May 202617:53
debian
Debian CVE
CVE-2026-43490
15 May 202605:15
debiancve
Tenable Nessus
Debian dsa-6274 : ata-modules-6.12.74+deb13+1-armmp-di - security update
15 May 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-43490
15 May 202600:00
nessus
EUVD
EUVD-2026-30503
15 May 202605:15
euvd
NVD
CVE-2026-43490
15 May 202606:16
nvd
Rows per page
Vulners
CNA
Node
linuxlinux_kernelRange5.156.6.141
OR
linuxlinux_kernelRange6.7.06.12.88
OR
linuxlinux_kernelRange6.13.06.18.30
OR
linuxlinux_kernelRange6.19.07.0.7
OR
linuxlinux_kernelRange7.1.07.1-rc3
[
  {
    "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": "a7fb771314fb3a265d30f8ac245869a367ab065c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "47c6e37a77b10e74f70d845ba4ea5d3cafa00336",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "1aa60fea7f637c071f529ad6784aecca2f2f0c5f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "c1d95c995d5bcb24b639200a899eda59cb1e6d64",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9",
        "lessThan": "996454bc0da84d5a1dedb1a7861823087e01a7ae",
        "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": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.88",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.30",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.7",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 12:17Current
6Medium risk
Vulners AI Score6
CVSS 3.18.8
EPSS0.00025
15