SUSE Linux Enterprise 12-SP5: SUSE-SU-2020:3050-1 Important: Xen Update
suse
October 27, 2020
An update that fixes four vulnerabilities is now available
Summary
This update for xen fixes the following issues: - bsc#1177409 - VUL-0: CVE-2020-27673: xen: x86 PV guest INVLPG-like flushes may leave stale TLB entries (XSA-286) - bsc#1177412 - VUL-0: CVE-2020-27672: xen: Race condition in Xen mapping code (XSA-345) - bsc#1177413 - VUL-0: CVE-2020-27671: xen: undue deferral of IOMMU TLB flushes (XSA-346) - bsc#1177414 - VUL-0: CVE-2020-27670: xen: unsafe AMD IOMMU page table updates (XSA-347) 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 Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2020-3050=1 - SUSE Linux Enterprise Server 12-SP5:
Topics Covered
References
#1177409 #1177412 #1177413 #1177414
Cross- CVE-2020-27670 CVE-2020-27671 CVE-2020-27672
CVE-2020-27673
Affected Products:
SUSE Linux Enterprise Software Development Kit 12-SP5
SUSE Linux Enterprise Server 12-SP5
https://www.suse.com/security/cve/CVE-2020-27670.html
https://www.suse.com/security/cve/CVE-2020-27671.html
https://www.suse.com/security/cve/CVE-2020-27672.html
https://www.suse.com/security/cve/CVE-2020-27673.html
https://bugzilla.suse.com/1177409
https://bugzilla.suse.com/1177412
https://bugzilla.suse.com/1177413
https://bugzilla.suse.com/1177414
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Severity
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Critical
Announcement ID: SUSE-SU-2020:3050-1
Rating: important
Topics Covered
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