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SUSE: 2021:1492-1 Important: Samba Buffer Overflow Update

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Calendar Grey May 4, 2021
Scroller Suse
SUSE Security Update: Essential kernel update addressing severe buffer overflow flaw in samba, alongside additional significant repairs outlined.
An update that solves one vulnerability and has two fixes is now available

Summary

This update for samba fixes the following issues: - CVE-2021-20254: Fixed a buffer overrun in sids_to_unixids() (bsc#1184677). - Avoid free'ing our own pointer in memcache when memcache_trim attempts to reduce cache size (bsc#1179156). - Adjust smbcacls '--propagate-inheritance' feature to align with upstream (bsc#1178469). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE OpenStack Cloud Crowbar 9: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1492=1 - SUSE OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1492=1 - SUSE OpenStack Cloud 9:

Topics%20covered

Topics Covered

security advisory buffer overflow software update samba patch important suse

References

#1178469 #1179156 #1184677

Cross- CVE-2021-20254

CVSS scores:

CVE-2021-20254 (SUSE): 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected Products:

SUSE OpenStack Cloud Crowbar 9

SUSE OpenStack Cloud Crowbar 8

SUSE OpenStack Cloud 9

SUSE OpenStack Cloud 8

SUSE Linux Enterprise Server for SAP 12-SP4

SUSE Linux Enterprise Server for SAP 12-SP3

SUSE Linux Enterprise Server 12-SP4-LTSS

SUSE Linux Enterprise Server 12-SP3-LTSS

SUSE Linux Enterprise Server 12-SP3-BCL

SUSE Linux Enterprise High Availability 12-SP4

SUSE Linux Enterprise High Availability 12-SP3

HPE Helion Openstack 8

https://www.suse.com/security/cve/CVE-2021-20254.html

https://bugzilla.suse.com/1178469

https://bugzilla.suse.com/1179156

https://bugzilla.suse.c...

Read the Full Advisory

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Announcement ID: SUSE-SU-2021:1492-1
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow software update samba patch important suse

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