RLSA-2021:5082

    Dashboard / Vulnerabilities / RLSA-2021:5082

    RLSA-2021:5082

    Published: 13 Dec 2021Last Modified: 4 Feb 2026

    Summary: Important: samba security update

    Details: 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.

    References: https://errata.rockylinux.org/RLSA-2021:5082, https://bugzilla.redhat.com/show_bug.cgi?id=2019660, https://bugzilla.redhat.com/show_bug.cgi?id=2019666, https://bugzilla.redhat.com/show_bug.cgi?id=2019672

    Affected packages

    Package

    Name: samba

    Purl: pkg:rpm/rocky-linux/samba?distro=rocky-linux-8-5-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:4.14.5-7.el8_5

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    RLSA-2021:5082 | CVE-DB