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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4478 Security update for xen 18 December 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Increased Privileges -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-29571 CVE-2020-29570 CVE-2020-29566 CVE-2020-29484 CVE-2020-29483 CVE-2020-29481 CVE-2020-29480 CVE-2020-29130 Reference: ESB-2020.4431 ESB-2020.4417 Original Bulletin: https://www.suse.com/support/update/announcement/2020/suse-su-202014578-1 - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2020:14578-1 Rating: moderate References: #1179477 #1179496 #1179498 #1179501 #1179502 #1179506 #1179514 #1179516 Cross-References: CVE-2020-29130 CVE-2020-29480 CVE-2020-29481 CVE-2020-29483 CVE-2020-29484 CVE-2020-29566 CVE-2020-29570 CVE-2020-29571 Affected Products: SUSE Linux Enterprise Server 11-SP4-LTSS SUSE Linux Enterprise Debuginfo 11-SP4 ______________________________________________________________________________ An update that fixes 8 vulnerabilities is now available. Description: This update for xen fixes the following issues: o CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115). o CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). o CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325). o CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). o CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348). o CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358). o CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359). o CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). 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 Linux Enterprise Server 11-SP4-LTSS: zypper in -t patch slessp4-xen-14578=1 o SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-xen-14578=1 Package List: o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64): xen-kmp-default-4.4.4_48_3.0.101_108.117-61.61.1 xen-libs-4.4.4_48-61.61.1 xen-tools-domU-4.4.4_48-61.61.1 o SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64): xen-4.4.4_48-61.61.1 xen-doc-html-4.4.4_48-61.61.1 xen-libs-32bit-4.4.4_48-61.61.1 xen-tools-4.4.4_48-61.61.1 o SUSE Linux Enterprise Server 11-SP4-LTSS (i586): xen-kmp-pae-4.4.4_48_3.0.101_108.117-61.61.1 o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64): xen-debuginfo-4.4.4_48-61.61.1 xen-debugsource-4.4.4_48-61.61.1 References: o https://www.suse.com/security/cve/CVE-2020-29130.html o https://www.suse.com/security/cve/CVE-2020-29480.html o https://www.suse.com/security/cve/CVE-2020-29481.html o https://www.suse.com/security/cve/CVE-2020-29483.html o https://www.suse.com/security/cve/CVE-2020-29484.html o https://www.suse.com/security/cve/CVE-2020-29566.html o https://www.suse.com/security/cve/CVE-2020-29570.html o https://www.suse.com/security/cve/CVE-2020-29571.html o https://bugzilla.suse.com/1179477 o https://bugzilla.suse.com/1179496 o https://bugzilla.suse.com/1179498 o https://bugzilla.suse.com/1179501 o https://bugzilla.suse.com/1179502 o https://bugzilla.suse.com/1179506 o https://bugzilla.suse.com/1179514 o https://bugzilla.suse.com/1179516 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. 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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