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CVE-2026-46243

🗓️ 01 Jun 2026 16:22:29Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov📰️ 3 Media mentions👁 201 Views

Linux kernel SMB client now only accepts spnego descriptions when using private spnego credentials.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for CVE-2026-46243
3 Jun 202600:15
–githubexploit
GithubExploit		CIFSwitch
28 May 202605:38
–githubexploit
GithubExploit		Exploit for CVE-2026-46243
2 Jun 202611:39
–githubexploit
GithubExploit		Exploit for CVE-2026-46243
2 Jun 202611:39
–githubexploit
ATTACKERKB		CVE-2026-46243
1 Jun 202616:22
–attackerkb
Amazon		Important: kernel
22 Jun 202600:00
–amazon
Amazon		Important: kernel6.12
22 Jun 202600:00
–amazon
Amazon		Important: kernel6.18
22 Jun 202600:00
–amazon
Amazon		Important: kernel
22 Jun 202600:00
–amazon
Amazon		Important: kernel
22 Jun 202600:00
–amazon
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange2.6.24.1–5.10.258
OR
linuxlinux_kernelRange5.11–5.15.209
OR
linuxlinux_kernelRange5.16–6.1.175
OR
linuxlinux_kernelRange6.2–6.6.142
OR
linuxlinux_kernelRange6.7–6.12.92
OR
linuxlinux_kernelRange6.13–6.18.34
OR
linuxlinux_kernelRange6.19–7.0.11
OR
linuxlinux_kernelMatch2.6.24-
OR
linuxlinux_kernelMatch2.6.24rc3
OR
linuxlinux_kernelMatch2.6.24rc4
OR
linuxlinux_kernelMatch2.6.24rc5
OR
linuxlinux_kernelMatch2.6.24rc6
OR
linuxlinux_kernelMatch2.6.24rc7
OR
linuxlinux_kernelMatch2.6.24rc8
OR
linuxlinux_kernelMatch7.1rc1
OR
linuxlinux_kernelMatch7.1rc2
OR
linuxlinux_kernelMatch7.1rc3
OR
linuxlinux_kernelMatch7.1rc4
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/client/cifs_spnego.c"
    ],
    "versions": [
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "7713bd320ed4fc3d08a227cd8e41242219a16981",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "9544559e59438a4b609b2fdfa0763d8360572824",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "cf20038657d6d4974349556a34e08fe0490bebbc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "2035acfb17221729b1b8ac335e941868a04ca079",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "a3bbda6502a9398b816fa2e71c9a3f955f58013d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "91f89c1d83e80417629791fcef6af8140d7d01c8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "0aece6685fc80a8de492688ca2315fb86ec379c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f1d662a7d5e5322e583aad6b3cfec03d8f27b435",
        "lessThan": "3da1fdf4efbc490041eb4f836bf596201203f8f2",
        "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/cifs_spnego.c"
    ],
    "versions": [
      {
        "version": "2.6.24",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.24",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 10:53Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00145
SSVC
CWE-20
linux kernelsmb clientspnego descriptionsspnego credentialsrequest key
201