vulnerability

Huawei EulerOS: CVE-2021-20254: samba security update

Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:N)
Published
May 5, 2021
Added
Sep 16, 2021
Modified
Aug 13, 2025

Description

A flaw was found in samba. The Samba smbd file server must map Windows group identities (SIDs) into unix group ids (gids). The code that performs this had a flaw that could allow it to read data beyond the end of the array in the case where a negative cache entry had been added to the mapping cache. This could cause the calling code to return those values into the process token that stores the group membership for a user. The highest threat from this vulnerability is to data confidentiality and integrity.

Solutions

huawei-euleros-2_0_sp2-upgrade-libsmbclienthuawei-euleros-2_0_sp2-upgrade-libwbclienthuawei-euleros-2_0_sp2-upgrade-sambahuawei-euleros-2_0_sp2-upgrade-samba-clienthuawei-euleros-2_0_sp2-upgrade-samba-client-libshuawei-euleros-2_0_sp2-upgrade-samba-commonhuawei-euleros-2_0_sp2-upgrade-samba-common-libshuawei-euleros-2_0_sp2-upgrade-samba-common-toolshuawei-euleros-2_0_sp2-upgrade-samba-libshuawei-euleros-2_0_sp2-upgrade-samba-pythonhuawei-euleros-2_0_sp2-upgrade-samba-winbindhuawei-euleros-2_0_sp2-upgrade-samba-winbind-clientshuawei-euleros-2_0_sp2-upgrade-samba-winbind-modules
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