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kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions

🗓️ 22 Jun 2026 04:35:46Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 21 Views

Privilege escalation in Linux kernel CIFS client enables local impersonation and SMB mount authentication bypass.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64bpftool3.10.0-1160.153.1.el7bpftool-3.10.0-1160.153.1.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebpftool3.10.0-1160.153.1.el7bpftool-3.10.0-1160.153.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xbpftool3.10.0-1160.153.1.el7bpftool-3.10.0-1160.153.1.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64bpftool3.10.0-1160.153.1.el7bpftool-3.10.0-1160.153.1.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64bpftool-debuginfo3.10.0-1160.153.1.el7bpftool-debuginfo-3.10.0-1160.153.1.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebpftool-debuginfo3.10.0-1160.153.1.el7bpftool-debuginfo-3.10.0-1160.153.1.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xbpftool-debuginfo3.10.0-1160.153.1.el7bpftool-debuginfo-3.10.0-1160.153.1.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64bpftool-debuginfo3.10.0-1160.153.1.el7bpftool-debuginfo-3.10.0-1160.153.1.el7.x86_64.rpm
Red Hat Enterprise Linux7ppc64kernel3.10.0-1160.153.1.el7kernel-3.10.0-1160.153.1.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64lekernel3.10.0-1160.153.1.el7kernel-3.10.0-1160.153.1.el7.ppc64le.rpm
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16 Jul 2026 13:59Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.8
EPSS0.00353
SSVC
21