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ALSA-2021:5082 Not scored

Important: samba security update

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fix(es): * samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717) * samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124) * samba: Subsequent DCE/RPC fragment injection vulnerability (CVE-2021-23192) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Exploit probability Not scored
Published December 13, 2021
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:8 libsmbclient-devel
AlmaLinux:8 libwbclient-devel
AlmaLinux:8 samba-devel
AlmaLinux:8 samba-vfs-iouring

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2021:5082

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information. Security Fix(es): * samba: Active Directory (AD) domain user could become root on domain members (CVE-2020-25717) * samba: SMB1 client connections can be downgraded to plaintext authentication (CVE-2016-2124) * samba: Subsequent DCE/RPC fragment injection vulnerability (CVE-2021-23192) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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05 / REFERENCES

Further evidence