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CVE-2026-43350 smb: client: require a full NFS mode SID before reading mode bits

🗓️ 08 May 2026 13:41:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Linux kernel SMB client fix requires three subauthorities for an NFS mode SID before reading mode bits.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-43350
8 May 202613:41
attackerkb
Tenable Nessus
Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)
9 May 202600:00
nessus
Tenable Nessus
Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1816)
8 Jun 202600:00
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0862
6 Jun 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-43350
8 May 202600:00
nessus
Amazon
Important: kernel6.12
8 Jun 202600:00
amazon
Circl
CVE-2026-43350
8 May 202617:14
circl
CNNVD
Linux kernel 安全漏洞
8 May 202600:00
cnnvd
CVE
CVE-2026-43350
8 May 202613:41
cve
Debian CVE
CVE-2026-43350
8 May 202613:41
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/client/cifsacl.c"
    ],
    "versions": [
      {
        "version": "e2f8fbfb8d09c06decde162090fac3ee220aa280",
        "lessThan": "8bd4cad3f458d11650d51c2d24b03fb1770ae6cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f8fbfb8d09c06decde162090fac3ee220aa280",
        "lessThan": "b53b8e98c23310294fc45fc686db5ee860311896",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f8fbfb8d09c06decde162090fac3ee220aa280",
        "lessThan": "c8eef12af1cc73031639ea7cf16e0b10e2536b0b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f8fbfb8d09c06decde162090fac3ee220aa280",
        "lessThan": "38a69f08ee82c450d3e4168707fff2e317dc3ff7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f8fbfb8d09c06decde162090fac3ee220aa280",
        "lessThan": "f8488c07bea2431ee12a6067d736578064fa46b4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "e2f8fbfb8d09c06decde162090fac3ee220aa280",
        "lessThan": "2757ad3e4b6f9e0fed4c7739594e702abc5cab21",
        "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/client/cifsacl.c"
    ],
    "versions": [
      {
        "version": "5.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.4",
        "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-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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