cve-2021-45100
Vulnerability from cvelistv5
Published
2021-12-16 04:37
Modified
2024-08-04 04:32
Severity ?
Summary
The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This occurs because it sets the SMB2_GLOBAL_CAP_ENCRYPTION flag when using the SMB 3.1.1 protocol, which is a violation of the SMB protocol specification. When Windows 10 detects this protocol violation, it disables encryption.
References
cve@mitre.orghttps://github.com/cifsd-team/ksmbd/issues/550Third Party Advisory
cve@mitre.orghttps://github.com/cifsd-team/ksmbd/pull/551Patch, Third Party Advisory
cve@mitre.orghttps://marc.info/?l=linux-kernel&m=163961726017023&w=2Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20220107-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cifsd-team/ksmbd/issues/550Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cifsd-team/ksmbd/pull/551Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://marc.info/?l=linux-kernel&m=163961726017023&w=2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220107-0001/Third Party Advisory
Impacted products
Vendor Product Version
n/a n/a Version: n/a
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  }
}


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