PublicDateAtUSN: 2017-02-06 Candidate: CVE-2017-2596 PublicDate: 2017-02-06 06:59:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2596 https://www.spinics.net/lists/kvm/msg144319.html https://bugzilla.redhat.com/show_bug.cgi?id=1417812 https://ubuntu.com/security/notices/USN-3293-1 https://ubuntu.com/security/notices/USN-3312-1 https://ubuntu.com/security/notices/USN-3312-2 https://ubuntu.com/security/notices/USN-3361-1 Description: The nested_vmx_check_vmptr function in arch/x86/kvm/vmx.c in the Linux kernel through 4.9.8 improperly emulates the VMXON instruction, which allows KVM L1 guest OS users to cause a denial of service (host OS memory consumption) by leveraging the mishandling of page references. Ubuntu-Description: Dmitry Vyukov discovered that KVM implementation in the Linux kernel improperly emulated the VMXON instruction. A local attacker in a guest OS could use this to cause a denial of service (memory consumption) in the host OS. Notes: jdstrand> android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels jdstrand> linux-lts-saucy no longer receives official support jdstrand> linux-lts-quantal no longer receives official support Bugs: Priority: medium Discovered-by: Dmitry Vyukov Assigned-to: CVSS: nvd: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H [6.5 MEDIUM] Patches_linux: break-fix: 3573e22cfecaac83f82ef4f6847d90e466fc8e10 06ce521af9558814b8606c0476c54497cf83a653 upstream_linux: released (4.11~rc1) precise_linux: ignored (reached end-of-life) precise/esm_linux: ignored (was needed ESM criteria) trusty_linux: not-affected trusty/esm_linux: not-affected vivid/ubuntu-core_linux: ignored (was needed ESM criteria) vivid/stable-phone-overlay_linux: DNE xenial_linux: released (4.4.0-79.100) esm-infra/xenial_linux: released (4.4.0-79.100) yakkety_linux: ignored (reached end-of-life) zesty_linux: released (4.10.0-21.23) artful_linux: not-affected (4.10.0-21.23) bionic_linux: not-affected (4.13.0-16.19) devel_linux: not-affected (4.15.0-20.21) Patches_linux-ti-omap4: upstream_linux-ti-omap4: released (4.11~rc1) precise_linux-ti-omap4: ignored (reached end-of-life) precise/esm_linux-ti-omap4: DNE (precise was needed) trusty_linux-ti-omap4: DNE trusty/esm_linux-ti-omap4: DNE vivid/ubuntu-core_linux-ti-omap4: DNE vivid/stable-phone-overlay_linux-ti-omap4: DNE xenial_linux-ti-omap4: DNE yakkety_linux-ti-omap4: DNE zesty_linux-ti-omap4: DNE artful_linux-ti-omap4: DNE bionic_linux-ti-omap4: DNE devel_linux-ti-omap4: DNE Patches_linux-linaro-omap: upstream_linux-linaro-omap: released (4.11~rc1) precise_linux-linaro-omap: ignored (abandoned) precise/esm_linux-linaro-omap: DNE (precise was ignored [abandoned]) trusty_linux-linaro-omap: DNE trusty/esm_linux-linaro-omap: DNE vivid/ubuntu-core_linux-linaro-omap: DNE vivid/stable-phone-overlay_linux-linaro-omap: DNE xenial_linux-linaro-omap: DNE yakkety_linux-linaro-omap: DNE zesty_linux-linaro-omap: DNE artful_linux-linaro-omap: DNE bionic_linux-linaro-omap: DNE devel_linux-linaro-omap: DNE Patches_linux-linaro-shared: upstream_linux-linaro-shared: released (4.11~rc1) precise_linux-linaro-shared: ignored (abandoned) precise/esm_linux-linaro-shared: DNE (precise was ignored [abandoned]) trusty_linux-linaro-shared: DNE trusty/esm_linux-linaro-shared: DNE vivid/ubuntu-core_linux-linaro-shared: DNE vivid/stable-phone-overlay_linux-linaro-shared: DNE xenial_linux-linaro-shared: DNE yakkety_linux-linaro-shared: DNE zesty_linux-linaro-shared: DNE artful_linux-linaro-shared: DNE bionic_linux-linaro-shared: DNE devel_linux-linaro-shared: DNE Patches_linux-linaro-vexpress: upstream_linux-linaro-vexpress: released (4.11~rc1) precise_linux-linaro-vexpress: ignored (abandoned) precise/esm_linux-linaro-vexpress: DNE (precise was ignored [abandoned]) trusty_linux-linaro-vexpress: DNE trusty/esm_linux-linaro-vexpress: DNE vivid/ubuntu-core_linux-linaro-vexpress: DNE vivid/stable-phone-overlay_linux-linaro-vexpress: DNE xenial_linux-linaro-vexpress: DNE yakkety_linux-linaro-vexpress: DNE zesty_linux-linaro-vexpress: DNE artful_linux-linaro-vexpress: DNE bionic_linux-linaro-vexpress: DNE devel_linux-linaro-vexpress: DNE Patches_linux-qcm-msm: upstream_linux-qcm-msm: released (4.11~rc1) precise_linux-qcm-msm: ignored (abandoned) precise/esm_linux-qcm-msm: DNE (precise was ignored [abandoned]) trusty_linux-qcm-msm: DNE trusty/esm_linux-qcm-msm: DNE vivid/ubuntu-core_linux-qcm-msm: DNE vivid/stable-phone-overlay_linux-qcm-msm: DNE xenial_linux-qcm-msm: DNE yakkety_linux-qcm-msm: DNE zesty_linux-qcm-msm: DNE artful_linux-qcm-msm: DNE bionic_linux-qcm-msm: DNE devel_linux-qcm-msm: DNE Tags_linux-armadaxp: not-ue Patches_linux-armadaxp: upstream_linux-armadaxp: released (4.11~rc1) precise_linux-armadaxp: ignored (reached end-of-life) precise/esm_linux-armadaxp: DNE (precise was needed) trusty_linux-armadaxp: DNE trusty/esm_linux-armadaxp: DNE vivid/ubuntu-core_linux-armadaxp: DNE vivid/stable-phone-overlay_linux-armadaxp: DNE xenial_linux-armadaxp: DNE yakkety_linux-armadaxp: DNE zesty_linux-armadaxp: DNE artful_linux-armadaxp: DNE bionic_linux-armadaxp: DNE devel_linux-armadaxp: DNE Tags_linux-lts-quantal: not-ue Patches_linux-lts-quantal: upstream_linux-lts-quantal: released (4.11~rc1) precise_linux-lts-quantal: ignored (end-of-life) precise/esm_linux-lts-quantal: DNE (precise was ignored [end-of-life]) trusty_linux-lts-quantal: DNE trusty/esm_linux-lts-quantal: DNE vivid/ubuntu-core_linux-lts-quantal: DNE vivid/stable-phone-overlay_linux-lts-quantal: DNE xenial_linux-lts-quantal: DNE yakkety_linux-lts-quantal: DNE zesty_linux-lts-quantal: DNE artful_linux-lts-quantal: DNE bionic_linux-lts-quantal: DNE devel_linux-lts-quantal: DNE Patches_linux-lts-raring: upstream_linux-lts-raring: released (4.11~rc1) precise_linux-lts-raring: ignored (end-of-life) precise/esm_linux-lts-raring: DNE (precise was ignored [end-of-life]) trusty_linux-lts-raring: DNE trusty/esm_linux-lts-raring: DNE vivid/ubuntu-core_linux-lts-raring: DNE vivid/stable-phone-overlay_linux-lts-raring: DNE xenial_linux-lts-raring: DNE yakkety_linux-lts-raring: DNE zesty_linux-lts-raring: DNE artful_linux-lts-raring: DNE bionic_linux-lts-raring: DNE devel_linux-lts-raring: DNE Tags_linux-lts-saucy: not-ue Patches_linux-lts-saucy: upstream_linux-lts-saucy: released (4.11~rc1) precise_linux-lts-saucy: ignored (end-of-life) precise/esm_linux-lts-saucy: DNE (precise was ignored [end-of-life]) trusty_linux-lts-saucy: DNE trusty/esm_linux-lts-saucy: DNE vivid/ubuntu-core_linux-lts-saucy: DNE vivid/stable-phone-overlay_linux-lts-saucy: DNE xenial_linux-lts-saucy: DNE yakkety_linux-lts-saucy: DNE zesty_linux-lts-saucy: DNE artful_linux-lts-saucy: DNE bionic_linux-lts-saucy: DNE devel_linux-lts-saucy: DNE Patches_linux-lts-trusty: upstream_linux-lts-trusty: released (4.11~rc1) precise_linux-lts-trusty: ignored (reached end-of-life) precise/esm_linux-lts-trusty: ignored (was needed ESM criteria) trusty_linux-lts-trusty: DNE trusty/esm_linux-lts-trusty: DNE vivid/ubuntu-core_linux-lts-trusty: DNE vivid/stable-phone-overlay_linux-lts-trusty: DNE xenial_linux-lts-trusty: DNE yakkety_linux-lts-trusty: DNE zesty_linux-lts-trusty: DNE artful_linux-lts-trusty: DNE bionic_linux-lts-trusty: DNE devel_linux-lts-trusty: DNE Patches_linux-goldfish: upstream_linux-goldfish: released (4.11~rc1) precise_linux-goldfish: DNE precise/esm_linux-goldfish: DNE trusty_linux-goldfish: ignored trusty/esm_linux-goldfish: DNE (trusty was ignored) vivid/ubuntu-core_linux-goldfish: DNE vivid/stable-phone-overlay_linux-goldfish: DNE xenial_linux-goldfish: ignored (abandoned) yakkety_linux-goldfish: ignored (abandoned) zesty_linux-goldfish: ignored (abandoned) artful_linux-goldfish: DNE bionic_linux-goldfish: DNE devel_linux-goldfish: DNE Patches_linux-grouper: upstream_linux-grouper: released (4.11~rc1) precise_linux-grouper: DNE precise/esm_linux-grouper: DNE trusty_linux-grouper: ignored trusty/esm_linux-grouper: DNE (trusty was ignored) vivid/ubuntu-core_linux-grouper: DNE vivid/stable-phone-overlay_linux-grouper: DNE xenial_linux-grouper: DNE yakkety_linux-grouper: DNE zesty_linux-grouper: DNE artful_linux-grouper: DNE bionic_linux-grouper: DNE devel_linux-grouper: DNE Patches_linux-maguro: upstream_linux-maguro: released (4.11~rc1) precise_linux-maguro: DNE precise/esm_linux-maguro: DNE trusty_linux-maguro: ignored trusty/esm_linux-maguro: DNE (trusty was ignored) vivid/ubuntu-core_linux-maguro: DNE vivid/stable-phone-overlay_linux-maguro: DNE xenial_linux-maguro: DNE yakkety_linux-maguro: DNE zesty_linux-maguro: DNE artful_linux-maguro: DNE bionic_linux-maguro: DNE devel_linux-maguro: DNE Patches_linux-mako: upstream_linux-mako: released (4.11~rc1) precise_linux-mako: DNE precise/esm_linux-mako: DNE trusty_linux-mako: ignored trusty/esm_linux-mako: DNE (trusty was ignored) vivid/ubuntu-core_linux-mako: DNE vivid/stable-phone-overlay_linux-mako: ignored (abandoned) xenial_linux-mako: ignored (abandoned) yakkety_linux-mako: ignored (abandoned) zesty_linux-mako: DNE artful_linux-mako: DNE bionic_linux-mako: DNE devel_linux-mako: DNE Patches_linux-manta: upstream_linux-manta: released (4.11~rc1) precise_linux-manta: DNE precise/esm_linux-manta: DNE trusty_linux-manta: ignored trusty/esm_linux-manta: DNE (trusty was ignored) vivid/ubuntu-core_linux-manta: DNE vivid/stable-phone-overlay_linux-manta: DNE xenial_linux-manta: DNE yakkety_linux-manta: DNE zesty_linux-manta: DNE artful_linux-manta: DNE bionic_linux-manta: DNE devel_linux-manta: DNE Patches_linux-flo: upstream_linux-flo: released (4.11~rc1) precise_linux-flo: DNE precise/esm_linux-flo: DNE trusty_linux-flo: ignored trusty/esm_linux-flo: DNE (trusty was ignored) vivid/ubuntu-core_linux-flo: DNE vivid/stable-phone-overlay_linux-flo: ignored (abandoned) xenial_linux-flo: ignored (abandoned) yakkety_linux-flo: ignored (abandoned) zesty_linux-flo: DNE artful_linux-flo: DNE bionic_linux-flo: DNE devel_linux-flo: DNE Patches_linux-raspi2: upstream_linux-raspi2: released (4.11~rc1) precise_linux-raspi2: DNE precise/esm_linux-raspi2: DNE trusty_linux-raspi2: DNE trusty/esm_linux-raspi2: DNE vivid/ubuntu-core_linux-raspi2: ignored (was needs-triage now end-of-life) vivid/stable-phone-overlay_linux-raspi2: DNE xenial_linux-raspi2: released (4.4.0-1057.64) yakkety_linux-raspi2: ignored (reached end-of-life) zesty_linux-raspi2: released (4.10.0-1005.7) artful_linux-raspi2: not-affected (4.10.0-1005.7) bionic_linux-raspi2: not-affected (4.13.0-1005.5) devel_linux-raspi2: not-affected (4.15.0-1010.11) Patches_linux-lts-utopic: upstream_linux-lts-utopic: released (4.11~rc1) precise_linux-lts-utopic: DNE precise/esm_linux-lts-utopic: DNE trusty_linux-lts-utopic: ignored (out of standard support) trusty/esm_linux-lts-utopic: DNE (trusty was ignored [out of standard support]) vivid/ubuntu-core_linux-lts-utopic: DNE vivid/stable-phone-overlay_linux-lts-utopic: DNE xenial_linux-lts-utopic: DNE yakkety_linux-lts-utopic: DNE zesty_linux-lts-utopic: DNE artful_linux-lts-utopic: DNE bionic_linux-lts-utopic: DNE devel_linux-lts-utopic: DNE Patches_linux-lts-vivid: upstream_linux-lts-vivid: released (4.11~rc1) precise_linux-lts-vivid: DNE precise/esm_linux-lts-vivid: DNE trusty_linux-lts-vivid: ignored (was needed now end-of-life) trusty/esm_linux-lts-vivid: DNE (trusty was ignored [was needed now end-of-life]) vivid/ubuntu-core_linux-lts-vivid: DNE vivid/stable-phone-overlay_linux-lts-vivid: DNE xenial_linux-lts-vivid: DNE yakkety_linux-lts-vivid: DNE zesty_linux-lts-vivid: DNE artful_linux-lts-vivid: DNE bionic_linux-lts-vivid: DNE devel_linux-lts-vivid: DNE Patches_linux-lts-wily: upstream_linux-lts-wily: released (4.11~rc1) precise_linux-lts-wily: DNE precise/esm_linux-lts-wily: DNE trusty_linux-lts-wily: ignored (out of standard support) trusty/esm_linux-lts-wily: DNE (trusty was ignored [out of standard support]) vivid/ubuntu-core_linux-lts-wily: DNE vivid/stable-phone-overlay_linux-lts-wily: DNE xenial_linux-lts-wily: DNE yakkety_linux-lts-wily: DNE zesty_linux-lts-wily: DNE artful_linux-lts-wily: DNE bionic_linux-lts-wily: DNE devel_linux-lts-wily: DNE Patches_linux-lts-xenial: upstream_linux-lts-xenial: released (4.11~rc1) precise_linux-lts-xenial: DNE precise/esm_linux-lts-xenial: DNE trusty_linux-lts-xenial: released (4.4.0-79.100~14.04.1) trusty/esm_linux-lts-xenial: released (4.4.0-79.100~14.04.1) vivid/ubuntu-core_linux-lts-xenial: DNE vivid/stable-phone-overlay_linux-lts-xenial: DNE xenial_linux-lts-xenial: DNE yakkety_linux-lts-xenial: DNE zesty_linux-lts-xenial: DNE artful_linux-lts-xenial: DNE bionic_linux-lts-xenial: DNE devel_linux-lts-xenial: DNE Patches_linux-snapdragon: upstream_linux-snapdragon: released (4.11~rc1) precise_linux-snapdragon: DNE precise/esm_linux-snapdragon: DNE trusty_linux-snapdragon: DNE trusty/esm_linux-snapdragon: DNE vivid/ubuntu-core_linux-snapdragon: DNE vivid/stable-phone-overlay_linux-snapdragon: DNE xenial_linux-snapdragon: released (4.4.0-1059.63) yakkety_linux-snapdragon: released (4.4.0-1059.63) zesty_linux-snapdragon: released (4.4.0-1059.63) artful_linux-snapdragon: not-affected (4.4.0-1059.63) bionic_linux-snapdragon: not-affected devel_linux-snapdragon: DNE Patches_linux-aws: upstream_linux-aws: released (4.11~rc1) precise_linux-aws: DNE precise/esm_linux-aws: DNE trusty_linux-aws: not-affected (4.4.0-1002.2) trusty/esm_linux-aws: not-affected (4.4.0-1002.2) vivid/ubuntu-core_linux-aws: DNE vivid/stable-phone-overlay_linux-aws: DNE xenial_linux-aws: released (4.4.0-1018.27) esm-infra/xenial_linux-aws: released (4.4.0-1018.27) yakkety_linux-aws: DNE zesty_linux-aws: DNE artful_linux-aws: DNE bionic_linux-aws: not-affected (4.15.0-1001.1) devel_linux-aws: not-affected (4.15.0-1007.7) Patches_linux-hwe: upstream_linux-hwe: released (4.11~rc1) precise_linux-hwe: DNE precise/esm_linux-hwe: DNE trusty_linux-hwe: DNE trusty/esm_linux-hwe: DNE vivid/ubuntu-core_linux-hwe: DNE vivid/stable-phone-overlay_linux-hwe: DNE xenial_linux-hwe: released (4.10.0-27.30~16.04.2) esm-infra/xenial_linux-hwe: released (4.10.0-27.30~16.04.2) yakkety_linux-hwe: DNE zesty_linux-hwe: DNE artful_linux-hwe: DNE bionic_linux-hwe: not-affected devel_linux-hwe: DNE Patches_linux-hwe-edge: upstream_linux-hwe-edge: released (4.11~rc1) precise_linux-hwe-edge: DNE precise/esm_linux-hwe-edge: DNE trusty_linux-hwe-edge: DNE trusty/esm_linux-hwe-edge: DNE vivid/ubuntu-core_linux-hwe-edge: DNE vivid/stable-phone-overlay_linux-hwe-edge: DNE xenial_linux-hwe-edge: released (4.10.0-27.30~16.04.2) esm-infra/xenial_linux-hwe-edge: released (4.10.0-27.30~16.04.2) yakkety_linux-hwe-edge: DNE zesty_linux-hwe-edge: DNE artful_linux-hwe-edge: DNE bionic_linux-hwe-edge: released (4.18.0-8.9~18.04.1) devel_linux-hwe-edge: DNE Patches_linux-gke: upstream_linux-gke: released (4.11~rc1) precise_linux-gke: DNE precise/esm_linux-gke: DNE trusty_linux-gke: DNE trusty/esm_linux-gke: DNE vivid/ubuntu-core_linux-gke: DNE vivid/stable-phone-overlay_linux-gke: DNE xenial_linux-gke: released (4.4.0-1014.14) yakkety_linux-gke: DNE zesty_linux-gke: DNE artful_linux-gke: DNE bionic_linux-gke: DNE devel_linux-gke: DNE Patches_linux-azure: upstream_linux-azure: released (4.11~rc1) precise/esm_linux-azure: DNE trusty_linux-azure: not-affected (4.15.0-1023.24~14.04.1) trusty/esm_linux-azure: not-affected (4.15.0-1023.24~14.04.1) vivid/ubuntu-core_linux-azure: DNE vivid/stable-phone-overlay_linux-azure: DNE xenial_linux-azure: not-affected (4.11.0-1009.9) esm-infra/xenial_linux-azure: not-affected (4.11.0-1009.9) yakkety_linux-azure: DNE zesty_linux-azure: DNE artful_linux-azure: DNE bionic_linux-azure: not-affected (4.15.0-1002.2) devel_linux-azure: not-affected (4.15.0-1009.9) Patches_linux-gcp: upstream_linux-gcp: released (4.11~rc1) precise/esm_linux-gcp: DNE trusty_linux-gcp: DNE trusty/esm_linux-gcp: DNE vivid/ubuntu-core_linux-gcp: DNE xenial_linux-gcp: not-affected (4.10.0-1004.4) esm-infra/xenial_linux-gcp: not-affected (4.10.0-1004.4) yakkety_linux-gcp: DNE zesty_linux-gcp: DNE artful_linux-gcp: DNE bionic_linux-gcp: not-affected (4.15.0-1001.1) devel_linux-gcp: not-affected (4.15.0-1006.6) Patches_linux-kvm: upstream_linux-kvm: released (4.11~rc1) precise/esm_linux-kvm: DNE trusty_linux-kvm: DNE trusty/esm_linux-kvm: DNE vivid/ubuntu-core_linux-kvm: DNE xenial_linux-kvm: not-affected (4.4.0-1004.9) esm-infra/xenial_linux-kvm: not-affected (4.4.0-1004.9) zesty_linux-kvm: DNE artful_linux-kvm: DNE bionic_linux-kvm: not-affected (4.15.0-1002.2) devel_linux-kvm: not-affected (4.15.0-1008.8) Patches_linux-euclid: upstream_linux-euclid: released (4.11~rc1) precise/esm_linux-euclid: DNE trusty_linux-euclid: DNE trusty/esm_linux-euclid: DNE vivid/ubuntu-core_linux-euclid: DNE xenial_linux-euclid: ignored (was needed ESM criteria) zesty_linux-euclid: DNE artful_linux-euclid: DNE bionic_linux-euclid: DNE devel_linux-euclid: DNE Patches_linux-oem: upstream_linux-oem: released (4.11~rc1) precise/esm_linux-oem: DNE trusty_linux-oem: DNE trusty/esm_linux-oem: DNE xenial_linux-oem: not-affected (4.13.0-1008.9) zesty_linux-oem: DNE artful_linux-oem: DNE bionic_linux-oem: not-affected (4.15.0-1002.3) devel_linux-oem: not-affected (4.15.0-1004.5)