SUSE-SU-2021:3813-1: moderate: Security update for xen
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sle-security-updates at lists.suse.com
Mon Nov 29 14:17:53 UTC 2021
SUSE Security Update: Security update for xen
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3813-1
Rating: moderate
References: #1192554 #1192557 #1192559
Cross-References: CVE-2021-28704 CVE-2021-28705 CVE-2021-28706
CVE-2021-28707 CVE-2021-28708 CVE-2021-28709
CVSS scores:
CVE-2021-28704 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28705 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28706 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28707 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28708 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVE-2021-28709 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:
SUSE Linux Enterprise Server 12-SP2-BCL
______________________________________________________________________________
An update that fixes 6 vulnerabilities is now available.
Description:
This update for xen fixes the following issues:
- CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on
misaligned GFNs (XSA-388) (bsc#1192557).
- CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful
P2M updates on x86 (XSA-389) (bsc#1192559).
- CVE-2021-28706: Fixed guests may exceed their designated memory limit
(XSA-385) (bsc#1192554).
Special Instructions and Notes:
Please reboot the system after installing this update.
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 12-SP2-BCL:
zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-3813=1
Package List:
- SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
xen-4.7.6_18-43.82.1
xen-debugsource-4.7.6_18-43.82.1
xen-doc-html-4.7.6_18-43.82.1
xen-libs-32bit-4.7.6_18-43.82.1
xen-libs-4.7.6_18-43.82.1
xen-libs-debuginfo-32bit-4.7.6_18-43.82.1
xen-libs-debuginfo-4.7.6_18-43.82.1
xen-tools-4.7.6_18-43.82.1
xen-tools-debuginfo-4.7.6_18-43.82.1
xen-tools-domU-4.7.6_18-43.82.1
xen-tools-domU-debuginfo-4.7.6_18-43.82.1
References:
https://www.suse.com/security/cve/CVE-2021-28704.html
https://www.suse.com/security/cve/CVE-2021-28705.html
https://www.suse.com/security/cve/CVE-2021-28706.html
https://www.suse.com/security/cve/CVE-2021-28707.html
https://www.suse.com/security/cve/CVE-2021-28708.html
https://www.suse.com/security/cve/CVE-2021-28709.html
https://bugzilla.suse.com/1192554
https://bugzilla.suse.com/1192557
https://bugzilla.suse.com/1192559
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