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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.4073 Security update for xen 2 December 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: SUSE Operating System: SUSE Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Denial of Service -- Existing Account Access Confidential Data -- Existing Account Unauthorised Access -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-28709 CVE-2021-28706 CVE-2021-28705 CVE-2021-28703 CVE-2021-28701 CVE-2021-28698 CVE-2021-28697 CVE-2021-28692 CVE-2021-28690 CVE-2021-20255 CVE-2021-3930 CVE-2021-3682 CVE-2021-3595 CVE-2021-3594 CVE-2021-3592 CVE-2021-3527 CVE-2021-0089 Reference: ESB-2021.4015 ESB-2021.3983 ESB-2021.3981 Original Bulletin: https://www.suse.com/support/update/announcement/2021/suse-su-202114848-1 - --------------------------BEGIN INCLUDED TEXT-------------------- SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2021:14848-1 Rating: moderate References: #1182654 #1186013 #1186429 #1186433 #1186434 #1187369 #1187376 #1187378 #1189150 #1189376 #1189378 #1189632 #1192526 #1192554 #1192555 #1192559 Cross-References: CVE-2021-0089 CVE-2021-20255 CVE-2021-28690 CVE-2021-28692 CVE-2021-28697 CVE-2021-28698 CVE-2021-28701 CVE-2021-28703 CVE-2021-28705 CVE-2021-28706 CVE-2021-28709 CVE-2021-3527 CVE-2021-3592 CVE-2021-3594 CVE-2021-3595 CVE-2021-3682 CVE-2021-3930 Affected Products: SUSE Linux Enterprise Server 11-SP4-LTSS SUSE Linux Enterprise Debuginfo 11-SP4 ______________________________________________________________________________ An update that fixes 17 vulnerabilities is now available. Description: This update for xen fixes the following issues: o CVE-2021-0089: Fixed Speculative Code Store Bypass (XSA-375) (bsc#1186433). o CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654). o CVE-2021-28690: Fixed x86 TSX Async Abort protections not restored after S3 (XSA-377) (bsc#1186434). o CVE-2021-28692: Fixed inappropriate x86 IOMMU timeout detection / handling (XSA-373) (bsc#1186429). o CVE-2021-28697: Fixed grant table v2 status pages may remain accessible after de-allocation (XSA-379) (bsc#1189376). o CVE-2021-28698: Fixed long running loops in grant table handling. (XSA-380) (bsc#1189378). o CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632). o CVE-2021-28703: Fixed grant table v2 status pages may remain accessible after de-allocation (take two) (XSA-387) (bsc#1192555). o CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559). o CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554). o CVE-2021-3527: Fixed unbounded stack allocation in usbredir (bsc#1186013). o CVE-2021-3592: Fixed invalid pointer initialization may lead to information disclosure in slirp (bootp) (bsc#1187369). o CVE-2021-3594: Fixed invalid pointer initialization may lead to information disclosure in slirp (udp) (bsc#1187378). o CVE-2021-3595: Fixed invalid pointer initialization may lead to information disclosure in slirp (tftp) (bsc#1187376). o CVE-2021-3682: Fixed free call on invalid pointer in usbredir bufp_alloc (bsc#1189150). o CVE-2021-3930: Fixed off-by-one error in mode_sense_page() in hw/scsi/ scsi-disk.c (bsc#1192526). 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: o SUSE Linux Enterprise Server 11-SP4-LTSS: zypper in -t patch slessp4-xen-14848=1 o SUSE Linux Enterprise Debuginfo 11-SP4: zypper in -t patch dbgsp4-xen-14848=1 Package List: o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64): xen-kmp-default-4.4.4_50_3.0.101_108.129-61.67.1 xen-libs-4.4.4_50-61.67.1 xen-tools-domU-4.4.4_50-61.67.1 o SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64): xen-4.4.4_50-61.67.1 xen-doc-html-4.4.4_50-61.67.1 xen-libs-32bit-4.4.4_50-61.67.1 xen-tools-4.4.4_50-61.67.1 o SUSE Linux Enterprise Server 11-SP4-LTSS (i586): xen-kmp-pae-4.4.4_50_3.0.101_108.129-61.67.1 o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64): xen-debuginfo-4.4.4_50-61.67.1 xen-debugsource-4.4.4_50-61.67.1 References: o https://www.suse.com/security/cve/CVE-2021-0089.html o https://www.suse.com/security/cve/CVE-2021-20255.html o https://www.suse.com/security/cve/CVE-2021-28690.html o https://www.suse.com/security/cve/CVE-2021-28692.html o https://www.suse.com/security/cve/CVE-2021-28697.html o https://www.suse.com/security/cve/CVE-2021-28698.html o https://www.suse.com/security/cve/CVE-2021-28701.html o https://www.suse.com/security/cve/CVE-2021-28703.html o https://www.suse.com/security/cve/CVE-2021-28705.html o https://www.suse.com/security/cve/CVE-2021-28706.html o https://www.suse.com/security/cve/CVE-2021-28709.html o https://www.suse.com/security/cve/CVE-2021-3527.html o https://www.suse.com/security/cve/CVE-2021-3592.html o https://www.suse.com/security/cve/CVE-2021-3594.html o https://www.suse.com/security/cve/CVE-2021-3595.html o https://www.suse.com/security/cve/CVE-2021-3682.html o https://www.suse.com/security/cve/CVE-2021-3930.html o https://bugzilla.suse.com/1182654 o https://bugzilla.suse.com/1186013 o https://bugzilla.suse.com/1186429 o https://bugzilla.suse.com/1186433 o https://bugzilla.suse.com/1186434 o https://bugzilla.suse.com/1187369 o https://bugzilla.suse.com/1187376 o https://bugzilla.suse.com/1187378 o https://bugzilla.suse.com/1189150 o https://bugzilla.suse.com/1189376 o https://bugzilla.suse.com/1189378 o https://bugzilla.suse.com/1189632 o https://bugzilla.suse.com/1192526 o https://bugzilla.suse.com/1192554 o https://bugzilla.suse.com/1192555 o https://bugzilla.suse.com/1192559 - --------------------------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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYagrh+NLKJtyKPYoAQiexQ/+OO9XcFLSSMRhUodXcNTMljjVyOUmIfRP PA/Go+0netxeJWxDe6YyAdW3kep8vWm+497eT9zDa8M9HVPOURSos4rdwQgy6BFw /SeheBGjIreEQyUDzBhZlLThcn8j7Ip1pH76zOkn8AiBXrqxElrADwTcjAVcXEsh wA9+27yTt7/+xxmEPEB7rXKbtYiCsWx7gmIGrllvcUAfjxtEI4Rc8kKg6L4EsCF+ BedreR6LTI9Ewy6E6t2OKY5CZ3dEzrmcVTf0X69DtSMY9d728dkHqNaogbUj+ASt EXAePG4MNKwHdgstfLVOhPtXfAvzSvAiflAg5YBZiCmm2CDllp/7BzJtQaTAn5gS +0o2WatFOpOg5ltaPxoNGSbKyXL+bPH5izIyr0Uxo8fD4CjEcZKVNBKN9V134zuU JF+Zut79Tu0c1GpUK5a0igqKbejp19XPGEQMxW1TcgP1FOrLf5uO37O2lpE7KIdQ X7jUxr/OQoGpLUQU7L5/4u0EZFEicROB/xyUDnZo4oL8jVhfvwiUTT9D/DB3vz9C xuEWW1qE5+wNx7rh3iHvitipidGyjQAWsEcvkpWnQIrq8/27AJn6671WwHC03My7 q+BrEduchcq/T71d/Xdfwrjq+rvIl+mig+TbxNzRphVlyyILR020xK348XudP+ye XBPVDvP++uU= =wBhu -----END PGP SIGNATURE-----