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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.3223 Security update for xen 27 September 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Unauthorised Access -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-28701 Reference: ESB-2021.3189 ESB-2021.3151 ESB-2021.3023 Original Bulletin: https://www.suse.com/support/update/announcement/2021/suse-su-20213213-1 - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:3213-1 Rating: important References: #1189373 #1189378 #1189632 Cross-References: CVE-2021-28701 Affected Products: SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud 8 SUSE Linux Enterprise Server for SAP 12-SP3 SUSE Linux Enterprise Server 12-SP3-LTSS SUSE Linux Enterprise Server 12-SP3-BCL HPE Helion Openstack 8 ______________________________________________________________________________ An update that solves one vulnerability and has two fixes is now available. Description: This update for xen fixes the following issues: o CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632). o Integrate bugfixes (bsc#1189373, bsc#1189378). 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 OpenStack Cloud Crowbar 8: zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-3213=1 o SUSE OpenStack Cloud 8: zypper in -t patch SUSE-OpenStack-Cloud-8-2021-3213=1 o SUSE Linux Enterprise Server for SAP 12-SP3: zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-3213=1 o SUSE Linux Enterprise Server 12-SP3-LTSS: zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3213=1 o SUSE Linux Enterprise Server 12-SP3-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-3213=1 o HPE Helion Openstack 8: zypper in -t patch HPE-Helion-OpenStack-8-2021-3213=1 Package List: o SUSE OpenStack Cloud Crowbar 8 (x86_64): xen-4.9.4_22-3.94.2 xen-debugsource-4.9.4_22-3.94.2 xen-doc-html-4.9.4_22-3.94.2 xen-libs-32bit-4.9.4_22-3.94.2 xen-libs-4.9.4_22-3.94.2 xen-libs-debuginfo-32bit-4.9.4_22-3.94.2 xen-libs-debuginfo-4.9.4_22-3.94.2 xen-tools-4.9.4_22-3.94.2 xen-tools-debuginfo-4.9.4_22-3.94.2 xen-tools-domU-4.9.4_22-3.94.2 xen-tools-domU-debuginfo-4.9.4_22-3.94.2 o SUSE OpenStack Cloud 8 (x86_64): xen-4.9.4_22-3.94.2 xen-debugsource-4.9.4_22-3.94.2 xen-doc-html-4.9.4_22-3.94.2 xen-libs-32bit-4.9.4_22-3.94.2 xen-libs-4.9.4_22-3.94.2 xen-libs-debuginfo-32bit-4.9.4_22-3.94.2 xen-libs-debuginfo-4.9.4_22-3.94.2 xen-tools-4.9.4_22-3.94.2 xen-tools-debuginfo-4.9.4_22-3.94.2 xen-tools-domU-4.9.4_22-3.94.2 xen-tools-domU-debuginfo-4.9.4_22-3.94.2 o SUSE Linux Enterprise Server for SAP 12-SP3 (x86_64): xen-4.9.4_22-3.94.2 xen-debugsource-4.9.4_22-3.94.2 xen-doc-html-4.9.4_22-3.94.2 xen-libs-32bit-4.9.4_22-3.94.2 xen-libs-4.9.4_22-3.94.2 xen-libs-debuginfo-32bit-4.9.4_22-3.94.2 xen-libs-debuginfo-4.9.4_22-3.94.2 xen-tools-4.9.4_22-3.94.2 xen-tools-debuginfo-4.9.4_22-3.94.2 xen-tools-domU-4.9.4_22-3.94.2 xen-tools-domU-debuginfo-4.9.4_22-3.94.2 o SUSE Linux Enterprise Server 12-SP3-LTSS (x86_64): xen-4.9.4_22-3.94.2 xen-debugsource-4.9.4_22-3.94.2 xen-doc-html-4.9.4_22-3.94.2 xen-libs-32bit-4.9.4_22-3.94.2 xen-libs-4.9.4_22-3.94.2 xen-libs-debuginfo-32bit-4.9.4_22-3.94.2 xen-libs-debuginfo-4.9.4_22-3.94.2 xen-tools-4.9.4_22-3.94.2 xen-tools-debuginfo-4.9.4_22-3.94.2 xen-tools-domU-4.9.4_22-3.94.2 xen-tools-domU-debuginfo-4.9.4_22-3.94.2 o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64): xen-4.9.4_22-3.94.2 xen-debugsource-4.9.4_22-3.94.2 xen-doc-html-4.9.4_22-3.94.2 xen-libs-32bit-4.9.4_22-3.94.2 xen-libs-4.9.4_22-3.94.2 xen-libs-debuginfo-32bit-4.9.4_22-3.94.2 xen-libs-debuginfo-4.9.4_22-3.94.2 xen-tools-4.9.4_22-3.94.2 xen-tools-debuginfo-4.9.4_22-3.94.2 xen-tools-domU-4.9.4_22-3.94.2 xen-tools-domU-debuginfo-4.9.4_22-3.94.2 o HPE Helion Openstack 8 (x86_64): xen-4.9.4_22-3.94.2 xen-debugsource-4.9.4_22-3.94.2 xen-doc-html-4.9.4_22-3.94.2 xen-libs-32bit-4.9.4_22-3.94.2 xen-libs-4.9.4_22-3.94.2 xen-libs-debuginfo-32bit-4.9.4_22-3.94.2 xen-libs-debuginfo-4.9.4_22-3.94.2 xen-tools-4.9.4_22-3.94.2 xen-tools-debuginfo-4.9.4_22-3.94.2 xen-tools-domU-4.9.4_22-3.94.2 xen-tools-domU-debuginfo-4.9.4_22-3.94.2 References: o https://www.suse.com/security/cve/CVE-2021-28701.html o https://bugzilla.suse.com/1189373 o https://bugzilla.suse.com/1189378 o https://bugzilla.suse.com/1189632 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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