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AUSCERT External Security Bulletin Redistribution
ESB-2020.4502
Security update for xen
21 December 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: xen
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-29571 CVE-2020-29570 CVE-2020-29566
CVE-2020-29484 CVE-2020-29483 CVE-2020-29481
CVE-2020-29480 CVE-2020-29130 CVE-2020-8608
Reference: ESB-2020.4478
ESB-2020.4432
ESB-2020.4431
ESB-2020.4417
Original Bulletin:
https://www.suse.com/support/update/announcement/2020/suse-su-20203880-1
https://www.suse.com/support/update/announcement/2020/suse-su-20203881-1
Comment: This bulletin contains two (2) SUSE security advisories.
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SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:3880-1
Rating: moderate
References: #1027519 #1163019 #1176782 #1179477 #1179496 #1179498
#1179501 #1179502 #1179506 #1179514 #1179516
Cross-References: CVE-2020-29130 CVE-2020-29480 CVE-2020-29481 CVE-2020-29483
CVE-2020-29484 CVE-2020-29566 CVE-2020-29570 CVE-2020-29571
CVE-2020-8608
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP5
SUSE Linux Enterprise Server 12-SP5
______________________________________________________________________________
An update that solves 9 vulnerabilities and has two fixes is now available.
Description:
This update for xen fixes the following issues:
o CVE-2020-29480: Fixed an issue which could have allowed leak of
non-sensitive data to administrator guests (bsc#117949 XSA-115).
o CVE-2020-29481: Fixed an issue which could have allowd to new domains to
inherit existing node permissions (bsc#1179498 XSA-322).
o CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup
(bsc#1179502 XSA-325).
o CVE-2020-29484: Fixed an issue where guests could crash xenstored via
watchs (bsc#1179501 XSA-324).
o CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code
(bsc#1179506 XSA-348).
o CVE-2020-29570: Fixed an issue where FIFO event channels control block
related ordering (bsc#1179514 XSA-358).
o CVE-2020-29571: Fixed an issue where FIFO event channels control structure
ordering (bsc#1179516 XSA-359).
o CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets
(bsc#1179477).
o Fixed an issue where dump-core shows missing nr_pages during core (bsc#
1176782).
o Multiple other bugs (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-SP5-2020-3880=1
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-3880=1
Package List:
o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64):
xen-debugsource-4.12.4_06-3.36.1
xen-devel-4.12.4_06-3.36.1
o SUSE Linux Enterprise Server 12-SP5 (x86_64):
xen-4.12.4_06-3.36.1
xen-debugsource-4.12.4_06-3.36.1
xen-doc-html-4.12.4_06-3.36.1
xen-libs-32bit-4.12.4_06-3.36.1
xen-libs-4.12.4_06-3.36.1
xen-libs-debuginfo-32bit-4.12.4_06-3.36.1
xen-libs-debuginfo-4.12.4_06-3.36.1
xen-tools-4.12.4_06-3.36.1
xen-tools-debuginfo-4.12.4_06-3.36.1
xen-tools-domU-4.12.4_06-3.36.1
xen-tools-domU-debuginfo-4.12.4_06-3.36.1
References:
o https://www.suse.com/security/cve/CVE-2020-29130.html
o https://www.suse.com/security/cve/CVE-2020-29480.html
o https://www.suse.com/security/cve/CVE-2020-29481.html
o https://www.suse.com/security/cve/CVE-2020-29483.html
o https://www.suse.com/security/cve/CVE-2020-29484.html
o https://www.suse.com/security/cve/CVE-2020-29566.html
o https://www.suse.com/security/cve/CVE-2020-29570.html
o https://www.suse.com/security/cve/CVE-2020-29571.html
o https://www.suse.com/security/cve/CVE-2020-8608.html
o https://bugzilla.suse.com/1027519
o https://bugzilla.suse.com/1163019
o https://bugzilla.suse.com/1176782
o https://bugzilla.suse.com/1179477
o https://bugzilla.suse.com/1179496
o https://bugzilla.suse.com/1179498
o https://bugzilla.suse.com/1179501
o https://bugzilla.suse.com/1179502
o https://bugzilla.suse.com/1179506
o https://bugzilla.suse.com/1179514
o https://bugzilla.suse.com/1179516
- --------------------------------------------------------------------------------
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2020:3881-1
Rating: moderate
References: #1027519 #1176782 #1179496 #1179498 #1179501 #1179502
#1179506 #1179514 #1179516
Cross-References: CVE-2020-29480 CVE-2020-29481 CVE-2020-29483 CVE-2020-29484
CVE-2020-29566 CVE-2020-29570 CVE-2020-29571
Affected Products:
SUSE Linux Enterprise Module for Server Applications 15-SP1
SUSE Linux Enterprise Module for Basesystem 15-SP1
______________________________________________________________________________
An update that solves 7 vulnerabilities and has two fixes is now available.
Description:
This update for xen fixes the following issues:
o CVE-2020-29480: Fixed an issue which could have allowed leak of
non-sensitive data to administrator guests (bsc#117949 XSA-115).
o CVE-2020-29481: Fixed an issue which could have allowd to new domains to
inherit existing node permissions (bsc#1179498 XSA-322).
o CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup
(bsc#1179502 XSA-325).
o CVE-2020-29484: Fixed an issue where guests could crash xenstored via
watchs (bsc#1179501 XSA-324).
o CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code
(bsc#1179506 XSA-348).
o CVE-2020-29570: Fixed an issue where FIFO event channels control block
related ordering (bsc#1179514 XSA-358).
o CVE-2020-29571: Fixed an issue where FIFO event channels control structure
ordering (bsc#1179516 XSA-359).
o Fixed an issue where dump-core shows missing nr_pages during core (bsc#
1176782).
o Multiple other bugs (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 Module for Server Applications 15-SP1:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2020-3881=1
o SUSE Linux Enterprise Module for Basesystem 15-SP1:
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-3881=1
Package List:
o SUSE Linux Enterprise Module for Server Applications 15-SP1 (x86_64):
xen-4.12.4_06-3.40.1
xen-debugsource-4.12.4_06-3.40.1
xen-devel-4.12.4_06-3.40.1
xen-tools-4.12.4_06-3.40.1
xen-tools-debuginfo-4.12.4_06-3.40.1
o SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64):
xen-debugsource-4.12.4_06-3.40.1
xen-libs-4.12.4_06-3.40.1
xen-libs-debuginfo-4.12.4_06-3.40.1
xen-tools-domU-4.12.4_06-3.40.1
xen-tools-domU-debuginfo-4.12.4_06-3.40.1
References:
o https://www.suse.com/security/cve/CVE-2020-29480.html
o https://www.suse.com/security/cve/CVE-2020-29481.html
o https://www.suse.com/security/cve/CVE-2020-29483.html
o https://www.suse.com/security/cve/CVE-2020-29484.html
o https://www.suse.com/security/cve/CVE-2020-29566.html
o https://www.suse.com/security/cve/CVE-2020-29570.html
o https://www.suse.com/security/cve/CVE-2020-29571.html
o https://bugzilla.suse.com/1027519
o https://bugzilla.suse.com/1176782
o https://bugzilla.suse.com/1179496
o https://bugzilla.suse.com/1179498
o https://bugzilla.suse.com/1179501
o https://bugzilla.suse.com/1179502
o https://bugzilla.suse.com/1179506
o https://bugzilla.suse.com/1179514
o https://bugzilla.suse.com/1179516
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