Security update for xen
Announcement ID: | SUSE-SU-2020:2791-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves 10 vulnerabilities and has one security fix can now be installed.
Description:
This update for xen fixes the following issues:
- CVE-2020-25602: Fixed an issue where there was a crash when handling guest access to MSR_MISC_ENABLE was thrown (bsc#1176339,XSA-333)
- CVE-2020-25598: Added a missing unlock in XENMEM_acquire_resource error path (bsc#1176341,XSA-334)
- CVE-2020-25604: Fixed a race condition when migrating timers between x86 HVM vCPU-s (bsc#1176343,XSA-336)
- CVE-2020-25595: Fixed an issue where PCI passthrough code was reading back hardware registers (bsc#1176344,XSA-337)
- CVE-2020-25597: Fixed an issue where a valid event channels may not turn invalid (bsc#1176346,XSA-338)
- CVE-2020-25596: Fixed a potential denial of service in x86 pv guest kernel via SYSENTER (bsc#1176345,XSA-339)
- CVE-2020-25603: Fixed an issue due to missing barriers when accessing/allocating an event channel (bsc#1176347,XSA-340)
- CVE-2020-25600: Fixed out of bounds event channels available to 32-bit x86 domains (bsc#1176348,XSA-342)
- CVE-2020-25599: Fixed race conditions with evtchn_reset() (bsc#1176349,XSA-343)
- CVE-2020-25601: Fixed an issue due to lack of preemption in evtchn_reset() / evtchn_destroy() (bsc#1176350,XSA-344)
- Various other fixes (bsc#1027519)
Patch Instructions:
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
-
Basesystem Module 15-SP2
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2791=1
-
Server Applications Module 15-SP2
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-2791=1
Package List:
-
Basesystem Module 15-SP2 (x86_64)
- xen-debugsource-4.13.1_08-3.10.1
- xen-tools-domU-debuginfo-4.13.1_08-3.10.1
- xen-tools-domU-4.13.1_08-3.10.1
- xen-libs-debuginfo-4.13.1_08-3.10.1
- xen-libs-4.13.1_08-3.10.1
-
Server Applications Module 15-SP2 (x86_64)
- xen-debugsource-4.13.1_08-3.10.1
- xen-4.13.1_08-3.10.1
- xen-tools-4.13.1_08-3.10.1
- xen-tools-debuginfo-4.13.1_08-3.10.1
- xen-devel-4.13.1_08-3.10.1
-
Server Applications Module 15-SP2 (noarch)
- xen-tools-xendomains-wait-disk-4.13.1_08-3.10.1
References:
- https://www.suse.com/security/cve/CVE-2020-25595.html
- https://www.suse.com/security/cve/CVE-2020-25596.html
- https://www.suse.com/security/cve/CVE-2020-25597.html
- https://www.suse.com/security/cve/CVE-2020-25598.html
- https://www.suse.com/security/cve/CVE-2020-25599.html
- https://www.suse.com/security/cve/CVE-2020-25600.html
- https://www.suse.com/security/cve/CVE-2020-25601.html
- https://www.suse.com/security/cve/CVE-2020-25602.html
- https://www.suse.com/security/cve/CVE-2020-25603.html
- https://www.suse.com/security/cve/CVE-2020-25604.html
- https://bugzilla.suse.com/show_bug.cgi?id=1027519
- https://bugzilla.suse.com/show_bug.cgi?id=1176339
- https://bugzilla.suse.com/show_bug.cgi?id=1176341
- https://bugzilla.suse.com/show_bug.cgi?id=1176343
- https://bugzilla.suse.com/show_bug.cgi?id=1176344
- https://bugzilla.suse.com/show_bug.cgi?id=1176345
- https://bugzilla.suse.com/show_bug.cgi?id=1176346
- https://bugzilla.suse.com/show_bug.cgi?id=1176347
- https://bugzilla.suse.com/show_bug.cgi?id=1176348
- https://bugzilla.suse.com/show_bug.cgi?id=1176349
- https://bugzilla.suse.com/show_bug.cgi?id=1176350