Synopsis:          Moderate: samba security and bug fix update
Advisory ID:       SLSA-2021:2313-1
Issue Date:        2021-06-09
CVE Numbers:       CVE-2021-20254
--

Security Fix(es):

* samba: Negative idmap cache entries can cause incorrect group entries in
the Samba file server process token (CVE-2021-20254)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE

Bug Fix(es):

* smb.service stops when samba rpms are updated

* samba printing dumps core

---
SL7
x86_64

libsmbclient-4.10.16-15.el7_9.i686.rpm
libsmbclient-4.10.16-15.el7_9.x86_64.rpm
libsmbclient-devel-4.10.16-15.el7_9.i686.rpm
libsmbclient-devel-4.10.16-15.el7_9.x86_64.rpm
libwbclient-4.10.16-15.el7_9.i686.rpm
libwbclient-4.10.16-15.el7_9.x86_64.rpm
libwbclient-devel-4.10.16-15.el7_9.i686.rpm
libwbclient-devel-4.10.16-15.el7_9.x86_64.rpm
samba-4.10.16-15.el7_9.x86_64.rpm
samba-client-4.10.16-15.el7_9.x86_64.rpm
samba-client-libs-4.10.16-15.el7_9.i686.rpm
samba-client-libs-4.10.16-15.el7_9.x86_64.rpm
samba-common-libs-4.10.16-15.el7_9.i686.rpm
samba-common-libs-4.10.16-15.el7_9.x86_64.rpm
samba-common-tools-4.10.16-15.el7_9.x86_64.rpm
samba-dc-4.10.16-15.el7_9.x86_64.rpm
samba-dc-libs-4.10.16-15.el7_9.x86_64.rpm
samba-debuginfo-4.10.16-15.el7_9.i686.rpm
samba-debuginfo-4.10.16-15.el7_9.x86_64.rpm
samba-devel-4.10.16-15.el7_9.i686.rpm
samba-devel-4.10.16-15.el7_9.x86_64.rpm
samba-krb5-printing-4.10.16-15.el7_9.x86_64.rpm
samba-libs-4.10.16-15.el7_9.i686.rpm
samba-libs-4.10.16-15.el7_9.x86_64.rpm
samba-python-4.10.16-15.el7_9.i686.rpm
samba-python-4.10.16-15.el7_9.x86_64.rpm
samba-python-test-4.10.16-15.el7_9.x86_64.rpm
samba-test-4.10.16-15.el7_9.x86_64.rpm
samba-test-libs-4.10.16-15.el7_9.i686.rpm
samba-test-libs-4.10.16-15.el7_9.x86_64.rpm
samba-vfs-glusterfs-4.10.16-15.el7_9.x86_64.rpm
samba-winbind-4.10.16-15.el7_9.x86_64.rpm
samba-winbind-clients-4.10.16-15.el7_9.x86_64.rpm
samba-winbind-krb5-locator-4.10.16-15.el7_9.x86_64.rpm
samba-winbind-modules-4.10.16-15.el7_9.i686.rpm
samba-winbind-modules-4.10.16-15.el7_9.x86_64.rpm

noarch
samba-common-4.10.16-15.el7_9.noarch.rpm
samba-pidl-4.10.16-15.el7_9.noarch.rpm
--

- Scientific Linux Development Team

SciLinux: SLSA-2021-2313-1 Moderate: samba on SL7.x x86_64

samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token (CVE-2021-20254) For more details about the security issue(s), includin...

Summary

Moderate: samba security and bug fix update



Security Fixes

* samba: Negative idmap cache entries can cause incorrect group entries in the Samba file server process token (CVE-2021-20254)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE

Severity
Advisory ID: SLSA-2021:2313-1
Issued Date: : 2021-06-09
CVE Numbers: CVE-2021-20254

Related News

The End of the Road for Linux 6.11: A Call to Upgrade to Kernel 6.12
3 - 5 min read
The Linux kernel community recently issued an EOL announcement regarding the 6.11 kernel series, urging sysadmins to upgrade quickly to 6.12 . This
A Linux Admin
3 - 6 min read
As 2025 approaches, we Linux admins are facing new and often unseen cloud-native security obstacles. While skilled at mitigating known risks,
Leveraging Insights from the Linux Foundation
3 - 5 min read
The Linux Foundation's recent Census III report provides critical insights for Linux administrators, information security professionals, and anyone
Chrome 131 Released: Emergency Security Update Fixes Over a Dozen Significant Vulns
3 - 6 min read
Google recently unveiled a critical security update to their popular web browser, Google Chrome, addressing over a dozen significant security
From Wayland Fixes to Security Boosts: Examining Qt 6.8.1
3 - 6 min read
The recent Qt 6.8.1 release brings significant updates and improvements, strengthening its reputation as a secure and reliable application
Exploring Arch Linux 2024.12.01: Security Implications & Notable Enhancements for Linux Admins
3 - 6 min read
The Arch Linux 2024.12.01 ISO release marks an impressive milestone, offering cutting-edge updates that enhance functionality, streamline
Deck the Halls with Enhanced Security: Linux Kernel 6.13
3 - 5 min read
As Linux admins and infosec professionals prepare for the holiday season, there's much cause for celebration this year! Linus Torvalds recently made
Lessons from Bootkitty: Securing Linux Systems Against UEFI Intrusions
3 - 5 min read
New Linux security threats mark critical junctures that challenge existing policies and test security protocols to their limit. One such milestone

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved