Security update for qemu SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2018:1386-1 Final 1 1 2018-05-23T11:01:58Z current 2018-05-23T11:01:58Z 2018-05-23T11:01:58Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for qemu This update for qemu fixes several issues. This security issue was fixed: - CVE-2018-3639: Spectre v4 vulnerability mitigation support for KVM guests (bsc#1092885). Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis. This patch permits the new x86 cpu feature flag named 'ssbd' to be presented to the guest, given that the host has this feature, and KVM exposes it to the guest as well. For this feature to be enabled please use the qemu commandline -cpu $MODEL,+spec-ctrl,+ssbd so the guest OS can take advantage of the feature. spec-ctrl and ssbd support is also required in the host. - CVE-2017-5715: This update has the next round of Spectre v2 related patches, which now integrates with corresponding changes in libvirt. A January 2018 release of qemu initially addressed the Spectre v2 vulnerability for KVM guests by exposing the spec-ctrl feature for all x86 vcpu types. We remove that initial patch and now rely on patches from upstream (bsc#1068032). This update defines spec_ctrl and ibpb cpu feature flags as well as new cpu models which are clones of existing models with either -IBRS or -IBPB added to the end of the model name. These new vcpu models explicitly include the new feature(s), whereas the feature flags can be added to the cpu parameter as with other features. In short, for continued Spectre v2 protection, ensure that either the appropriate cpu feature flag is added to the QEMU command-line, or one of the new cpu models is used. Although migration from older versions is supported, the new cpu features won't be properly exposed to the guest until it is restarted with the cpu features explicitly added. A reboot is insufficient. - A patch is added to continue to detect Spectre v2 mitigation features (as shown by cpuid), and if found provide that feature to guests, even if running on older KVM (kernel) versions which do not yet expose that feature to QEMU. (bsc#1082276) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-SLE-SERVER-12-2018-968 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2018/suse-su-20181386-1/ Link for SUSE-SU-2018:1386-1 https://lists.suse.com/pipermail/sle-security-updates/2018-May/004082.html E-Mail link for SUSE-SU-2018:1386-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1068032 SUSE Bug 1068032 https://bugzilla.suse.com/1082276 SUSE Bug 1082276 https://bugzilla.suse.com/1092885 SUSE Bug 1092885 https://www.suse.com/security/cve/CVE-2017-5715/ SUSE CVE CVE-2017-5715 page https://www.suse.com/security/cve/CVE-2018-3639/ SUSE CVE CVE-2018-3639 page SUSE Linux Enterprise Server 12-LTSS qemu-2.0.2-48.40.2 qemu-block-curl-2.0.2-48.40.2 qemu-block-rbd-2.0.2-48.40.2 qemu-guest-agent-2.0.2-48.40.2 qemu-ipxe-1.0.0-48.40.2 qemu-kvm-2.0.2-48.40.2 qemu-lang-2.0.2-48.40.2 qemu-ppc-2.0.2-48.40.2 qemu-s390-2.0.2-48.40.2 qemu-seabios-1.7.4-48.40.2 qemu-sgabios-8-48.40.2 qemu-tools-2.0.2-48.40.2 qemu-vgabios-1.7.4-48.40.2 qemu-x86-2.0.2-48.40.2 qemu-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-block-curl-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-block-rbd-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-guest-agent-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-ipxe-1.0.0-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-kvm-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-lang-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-ppc-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-s390-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-seabios-1.7.4-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-sgabios-8-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-tools-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-vgabios-1.7.4-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS qemu-x86-2.0.2-48.40.2 as a component of SUSE Linux Enterprise Server 12-LTSS Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis. CVE-2017-5715 SUSE Linux Enterprise Server 12-LTSS:qemu-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-block-curl-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-block-rbd-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-guest-agent-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-ipxe-1.0.0-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-kvm-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-lang-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-ppc-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-s390-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-seabios-1.7.4-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-sgabios-8-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-tools-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-vgabios-1.7.4-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-x86-2.0.2-48.40.2 important 4.7 AV:L/AC:M/Au:N/C:C/I:N/A:N To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2018/suse-su-20181386-1/ https://www.suse.com/security/cve/CVE-2017-5715.html CVE-2017-5715 https://bugzilla.suse.com/1068032 SUSE Bug 1068032 https://bugzilla.suse.com/1074562 SUSE Bug 1074562 https://bugzilla.suse.com/1074578 SUSE Bug 1074578 https://bugzilla.suse.com/1074701 SUSE Bug 1074701 https://bugzilla.suse.com/1074741 SUSE Bug 1074741 https://bugzilla.suse.com/1074919 SUSE Bug 1074919 https://bugzilla.suse.com/1075006 SUSE Bug 1075006 https://bugzilla.suse.com/1075007 SUSE Bug 1075007 https://bugzilla.suse.com/1075262 SUSE Bug 1075262 https://bugzilla.suse.com/1075419 SUSE Bug 1075419 https://bugzilla.suse.com/1076115 SUSE Bug 1076115 https://bugzilla.suse.com/1076372 SUSE Bug 1076372 https://bugzilla.suse.com/1076606 SUSE Bug 1076606 https://bugzilla.suse.com/1078353 SUSE Bug 1078353 https://bugzilla.suse.com/1080039 SUSE Bug 1080039 https://bugzilla.suse.com/1087887 SUSE Bug 1087887 https://bugzilla.suse.com/1087939 SUSE Bug 1087939 https://bugzilla.suse.com/1088147 SUSE Bug 1088147 https://bugzilla.suse.com/1089055 SUSE Bug 1089055 https://bugzilla.suse.com/1091815 SUSE Bug 1091815 https://bugzilla.suse.com/1095735 SUSE Bug 1095735 https://bugzilla.suse.com/1102517 SUSE Bug 1102517 https://bugzilla.suse.com/1105108 SUSE Bug 1105108 https://bugzilla.suse.com/1126516 SUSE Bug 1126516 https://bugzilla.suse.com/1173489 SUSE Bug 1173489 https://bugzilla.suse.com/1178658 SUSE Bug 1178658 https://bugzilla.suse.com/1201457 SUSE Bug 1201457 https://bugzilla.suse.com/1201877 SUSE Bug 1201877 https://bugzilla.suse.com/1203236 SUSE Bug 1203236 Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka Speculative Store Bypass (SSB), Variant 4. CVE-2018-3639 SUSE Linux Enterprise Server 12-LTSS:qemu-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-block-curl-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-block-rbd-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-guest-agent-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-ipxe-1.0.0-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-kvm-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-lang-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-ppc-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-s390-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-seabios-1.7.4-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-sgabios-8-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-tools-2.0.2-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-vgabios-1.7.4-48.40.2 SUSE Linux Enterprise Server 12-LTSS:qemu-x86-2.0.2-48.40.2 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2018/suse-su-20181386-1/ https://www.suse.com/security/cve/CVE-2018-3639.html CVE-2018-3639 https://bugzilla.suse.com/1074701 SUSE Bug 1074701 https://bugzilla.suse.com/1085235 SUSE Bug 1085235 https://bugzilla.suse.com/1085308 SUSE Bug 1085308 https://bugzilla.suse.com/1087078 SUSE Bug 1087078 https://bugzilla.suse.com/1087082 SUSE Bug 1087082 https://bugzilla.suse.com/1092631 SUSE Bug 1092631 https://bugzilla.suse.com/1092885 SUSE Bug 1092885 https://bugzilla.suse.com/1094912 SUSE Bug 1094912 https://bugzilla.suse.com/1098813 SUSE Bug 1098813 https://bugzilla.suse.com/1100394 SUSE Bug 1100394 https://bugzilla.suse.com/1102640 SUSE Bug 1102640 https://bugzilla.suse.com/1105412 SUSE Bug 1105412 https://bugzilla.suse.com/1111963 SUSE Bug 1111963 https://bugzilla.suse.com/1172781 SUSE Bug 1172781 https://bugzilla.suse.com/1172782 SUSE Bug 1172782 https://bugzilla.suse.com/1172783 SUSE Bug 1172783 https://bugzilla.suse.com/1173489 SUSE Bug 1173489 https://bugzilla.suse.com/1178658 SUSE Bug 1178658 https://bugzilla.suse.com/1201877 SUSE Bug 1201877 https://bugzilla.suse.com/1215674 SUSE Bug 1215674