Summary
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.
The following packages have been upgraded to a later upstream version: samba (4.15.5). (BZ#2013596)
Security Fix(es):
* samba: Symlink race error can allow metadata read and modify outside of the exported share (CVE-2021-20316)
* samba: Information leak via symlinks of existance of files or directories outside of the exported share (CVE-2021-44141)
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.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
Fixed packages 26
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | ctdb | 4.15.5-5.el8 |
| AlmaLinux · 8 | libsmbclient | 4.15.5-5.el8 |
| AlmaLinux · 8 | libsmbclient-devel | 4.15.5-5.el8 |
| AlmaLinux · 8 | libwbclient | 4.15.5-5.el8 |
| AlmaLinux · 8 | libwbclient-devel | 4.15.5-8.el8_6 |
| AlmaLinux · 8 | libwbclient-devel | 4.15.5-5.el8 |
| AlmaLinux · 8 | python3-samba | 4.15.5-5.el8 |
| AlmaLinux · 8 | python3-samba-test | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-client | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-client-libs | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-common | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-common-libs | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-common-tools | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-devel | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-krb5-printing | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-libs | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-pidl | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-test | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-test-libs | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-vfs-iouring | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-winbind | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-winbind-clients | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-winbind-krb5-locator | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-winbind-modules | 4.15.5-5.el8 |
| AlmaLinux · 8 | samba-winexe | 4.15.5-5.el8 |
Vulnerabilities 2
-
Unscored —
A flaw was found in the way Samba handled file/directory metadata. This flaw allows an authenticated attacker with perm…
-
Unscored —
All versions of Samba prior to 4.15.5 are vulnerable to a malicious client using a server symlink to determine if a fil…
References
-
report
https://access.redhat.com/security/cve/CVE-2021-20316
-
report
https://access.redhat.com/security/cve/CVE-2021-44141
-
report
https://bugzilla.redhat.com/2009673
-
report
https://bugzilla.redhat.com/2046120
-
advisory
https://errata.almalinux.org/8/ALSA-2022-2074.html
-
report
https://vulners.com/cve/CVE-2021-20316
-
report
https://vulners.com/cve/CVE-2021-44141