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AUSCERT External Security Bulletin Redistribution
ESB-2021.3189
Security update for xen
23 September 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Unauthorised Access -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-28701
Reference: ESB-2021.3151
ESB-2021.3026
ESB-2021.3023
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-20213181-1
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SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3181-1
Rating: moderate
References: #1027519 #1189632
Cross-References: CVE-2021-28701
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP5
SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________
An update that solves one vulnerability and has one errata is now available.
Description:
This update for xen fixes the following issues:
o CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling
(XSA-384) (bsc#1189632).
o Upstream bug fixes (bsc#1027519)
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:
o SUSE Linux Enterprise Software Development Kit 12-SP5:
zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-3181=1
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-3181=1
Package List:
o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):
xen-debugsource-4.12.4_14-3.52.1
xen-devel-4.12.4_14-3.52.1
o SUSE Linux Enterprise Server 12-SP5 (x86_64):
xen-4.12.4_14-3.52.1
xen-debugsource-4.12.4_14-3.52.1
xen-doc-html-4.12.4_14-3.52.1
xen-libs-32bit-4.12.4_14-3.52.1
xen-libs-4.12.4_14-3.52.1
xen-libs-debuginfo-32bit-4.12.4_14-3.52.1
xen-libs-debuginfo-4.12.4_14-3.52.1
xen-tools-4.12.4_14-3.52.1
xen-tools-debuginfo-4.12.4_14-3.52.1
xen-tools-domU-4.12.4_14-3.52.1
xen-tools-domU-debuginfo-4.12.4_14-3.52.1
References:
o https://www.suse.com/security/cve/CVE-2021-28701.html
o https://bugzilla.suse.com/1027519
o https://bugzilla.suse.com/1189632
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