SUSE-SU-2021:2943-1: important: Security update for xen
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Fri Sep 3 13:39:39 UTC 2021
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2943-1
Rating: important
References: #1186429 #1186433 #1186434 #1189373 #1189376
#1189378 #1189380 #1189882
Cross-References: CVE-2021-0089 CVE-2021-28690 CVE-2021-28692
CVE-2021-28694 CVE-2021-28695 CVE-2021-28696
CVE-2021-28697 CVE-2021-28698 CVE-2021-28699
CVSS scores:
CVE-2021-0089 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2021-28694 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-28695 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-28696 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-28697 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVE-2021-28698 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28699 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
SUSE Linux Enterprise Server for SAP 15
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________
An update that fixes 9 vulnerabilities is now available.
Description:
This update for xen fixes the following issues:
- CVE-2021-28698: long running loops in grant table handling
(XSA-380)(bsc#1189378).
- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection /
handling (bsc#1186429).
- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433).
- CVE-2021-28699: inadequate grant-v2 status frames array bounds check
(XSA-382)(bsc#1189380).
- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues
on x86 (XSA-378)(bsc#1189373).
- CVE-2021-28697: grant table v2 status pages may remain accessible after
de-allocation (XSA-379)(bsc#1189376).
- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after
S3 (bsc#1186434).
- Prevent superpage allocation in the LAPIC and ACPI_INFO range
(bsc#1189882).
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 Linux Enterprise Server for SAP 15:
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-2943=1
- SUSE Linux Enterprise High Performance Computing 15-LTSS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2943=1
- SUSE Linux Enterprise High Performance Computing 15-ESPOS:
zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2943=1
Package List:
- SUSE Linux Enterprise Server for SAP 15 (x86_64):
xen-4.10.4_26-3.61.1
xen-debugsource-4.10.4_26-3.61.1
xen-devel-4.10.4_26-3.61.1
xen-libs-4.10.4_26-3.61.1
xen-libs-debuginfo-4.10.4_26-3.61.1
xen-tools-4.10.4_26-3.61.1
xen-tools-debuginfo-4.10.4_26-3.61.1
xen-tools-domU-4.10.4_26-3.61.1
xen-tools-domU-debuginfo-4.10.4_26-3.61.1
- SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):
xen-4.10.4_26-3.61.1
xen-debugsource-4.10.4_26-3.61.1
xen-devel-4.10.4_26-3.61.1
xen-libs-4.10.4_26-3.61.1
xen-libs-debuginfo-4.10.4_26-3.61.1
xen-tools-4.10.4_26-3.61.1
xen-tools-debuginfo-4.10.4_26-3.61.1
xen-tools-domU-4.10.4_26-3.61.1
xen-tools-domU-debuginfo-4.10.4_26-3.61.1
- SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):
xen-4.10.4_26-3.61.1
xen-debugsource-4.10.4_26-3.61.1
xen-devel-4.10.4_26-3.61.1
xen-libs-4.10.4_26-3.61.1
xen-libs-debuginfo-4.10.4_26-3.61.1
xen-tools-4.10.4_26-3.61.1
xen-tools-debuginfo-4.10.4_26-3.61.1
xen-tools-domU-4.10.4_26-3.61.1
xen-tools-domU-debuginfo-4.10.4_26-3.61.1
References:
https://www.suse.com/security/cve/CVE-2021-0089.html
https://www.suse.com/security/cve/CVE-2021-28690.html
https://www.suse.com/security/cve/CVE-2021-28692.html
https://www.suse.com/security/cve/CVE-2021-28694.html
https://www.suse.com/security/cve/CVE-2021-28695.html
https://www.suse.com/security/cve/CVE-2021-28696.html
https://www.suse.com/security/cve/CVE-2021-28697.html
https://www.suse.com/security/cve/CVE-2021-28698.html
https://www.suse.com/security/cve/CVE-2021-28699.html
https://bugzilla.suse.com/1186429
https://bugzilla.suse.com/1186433
https://bugzilla.suse.com/1186434
https://bugzilla.suse.com/1189373
https://bugzilla.suse.com/1189376
https://bugzilla.suse.com/1189378
https://bugzilla.suse.com/1189380
https://bugzilla.suse.com/1189882
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