PublicDateAtUSN: 2016-11-16 Candidate: CVE-2016-7914 PublicDate: 2016-11-16 05:59:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7914 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2 http://source.android.com/security/bulletin/2016-11-01.html http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3 https://github.com/torvalds/linux/commit/8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2 https://ubuntu.com/security/notices/USN-3406-1 https://ubuntu.com/security/notices/USN-3406-2 Description: The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.5.3 does not check whether a slot is a leaf, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (invalid pointer dereference and out-of-bounds read) via an application that uses associative-array data structures, as demonstrated by the keyutils test suite. Ubuntu-Description: It was discovered that an out of bounds read vulnerability existed in the associative array implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. 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: Assigned-to: CVSS: nvd: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N [5.5 MEDIUM] Patches_linux: break-fix: - 8d4a2ec1e0b41b0cf9a0c5cd4511da7f8e4f3de2 upstream_linux: released (4.6~rc4) precise_linux: ignored (reached end-of-life) precise/esm_linux: ignored (was needed ESM criteria) trusty_linux: released (3.13.0-129.178) trusty/esm_linux: released (3.13.0-129.178) vivid/ubuntu-core_linux: released (3.19.0-61.69) vivid/stable-phone-overlay_linux: DNE xenial_linux: released (4.4.0-24.43) esm-infra/xenial_linux: released (4.4.0-24.43) yakkety_linux: not-affected (4.4.0-23.41) zesty_linux: not-affected (4.8.0-22.24) artful_linux: not-affected (4.10.0-19.21) devel_linux: not-affected (4.13.0-16.19) Patches_linux-ti-omap4: upstream_linux-ti-omap4: released (4.6~rc4) 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 devel_linux-ti-omap4: DNE Patches_linux-linaro-omap: upstream_linux-linaro-omap: released (4.6~rc4) 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 devel_linux-linaro-omap: DNE Patches_linux-linaro-shared: upstream_linux-linaro-shared: released (4.6~rc4) 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 devel_linux-linaro-shared: DNE Patches_linux-linaro-vexpress: upstream_linux-linaro-vexpress: released (4.6~rc4) 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 devel_linux-linaro-vexpress: DNE Patches_linux-qcm-msm: upstream_linux-qcm-msm: released (4.6~rc4) 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 devel_linux-qcm-msm: DNE Tags_linux-armadaxp: not-ue Patches_linux-armadaxp: upstream_linux-armadaxp: released (4.6~rc4) 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 devel_linux-armadaxp: DNE Tags_linux-lts-quantal: not-ue Patches_linux-lts-quantal: upstream_linux-lts-quantal: released (4.6~rc4) 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 devel_linux-lts-quantal: DNE Patches_linux-lts-raring: upstream_linux-lts-raring: released (4.6~rc4) 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 devel_linux-lts-raring: DNE Tags_linux-lts-saucy: not-ue Patches_linux-lts-saucy: upstream_linux-lts-saucy: released (4.6~rc4) 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 devel_linux-lts-saucy: DNE Patches_linux-lts-trusty: upstream_linux-lts-trusty: released (4.6~rc4) precise_linux-lts-trusty: ignored (reached end-of-life) precise/esm_linux-lts-trusty: released (3.13.0-129.178~precise1) 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 devel_linux-lts-trusty: DNE Patches_linux-goldfish: upstream_linux-goldfish: released (4.6~rc4) 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 devel_linux-goldfish: DNE Patches_linux-grouper: upstream_linux-grouper: released (4.6~rc4) 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 devel_linux-grouper: DNE Patches_linux-maguro: upstream_linux-maguro: released (4.6~rc4) 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 devel_linux-maguro: DNE Patches_linux-mako: upstream_linux-mako: released (4.6~rc4) 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 devel_linux-mako: DNE Patches_linux-manta: upstream_linux-manta: released (4.6~rc4) 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 devel_linux-manta: DNE Patches_linux-flo: upstream_linux-flo: released (4.6~rc4) 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 devel_linux-flo: DNE Patches_linux-raspi2: upstream_linux-raspi2: released (4.6~rc4) 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 pending now end-of-life) vivid/stable-phone-overlay_linux-raspi2: DNE xenial_linux-raspi2: released (4.4.0-1012.16) yakkety_linux-raspi2: not-affected (4.4.0-1011.14) zesty_linux-raspi2: not-affected (4.8.0-1013.15) artful_linux-raspi2: not-affected (4.10.0-1004.6) devel_linux-raspi2: not-affected (4.13.0-1005.5) Patches_linux-lts-utopic: upstream_linux-lts-utopic: released (4.6~rc4) 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 devel_linux-lts-utopic: DNE Patches_linux-lts-vivid: upstream_linux-lts-vivid: released (4.6~rc4) precise_linux-lts-vivid: DNE precise/esm_linux-lts-vivid: DNE trusty_linux-lts-vivid: released (3.19.0-61.69~14.04.1) trusty/esm_linux-lts-vivid: DNE (trusty was released [3.19.0-61.69~14.04.1]) 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 devel_linux-lts-vivid: DNE Patches_linux-lts-wily: upstream_linux-lts-wily: released (4.6~rc4) 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 devel_linux-lts-wily: DNE Patches_linux-lts-xenial: upstream_linux-lts-xenial: released (4.6~rc4) precise_linux-lts-xenial: DNE precise/esm_linux-lts-xenial: DNE trusty_linux-lts-xenial: released (4.4.0-24.43~14.04.1) trusty/esm_linux-lts-xenial: released (4.4.0-24.43~14.04.1) 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 devel_linux-lts-xenial: DNE Patches_linux-snapdragon: upstream_linux-snapdragon: released (4.6~rc4) 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 (4.4.0-1015.18) yakkety_linux-snapdragon: not-affected (4.4.0-1014.16) zesty_linux-snapdragon: not-affected (4.4.0-1029.32) artful_linux-snapdragon: not-affected (4.4.0-1050.54) devel_linux-snapdragon: not-affected (4.4.0-1077.82) Patches_linux-aws: upstream_linux-aws: released (4.6~rc4) 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: not-affected (4.4.0-1001.10) esm-infra/xenial_linux-aws: not-affected (4.4.0-1001.10) yakkety_linux-aws: DNE zesty_linux-aws: DNE artful_linux-aws: DNE devel_linux-aws: DNE Patches_linux-hwe-edge: upstream_linux-hwe-edge: released (4.6~rc4) 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: not-affected (4.8.0-36.36~16.04.1) esm-infra/xenial_linux-hwe-edge: not-affected (4.8.0-36.36~16.04.1) yakkety_linux-hwe-edge: DNE zesty_linux-hwe-edge: DNE artful_linux-hwe-edge: DNE devel_linux-hwe-edge: DNE Patches_linux-hwe: upstream_linux-hwe: released (4.6~rc4) 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: not-affected (4.8.0-36.36~16.04.1) esm-infra/xenial_linux-hwe: not-affected (4.8.0-36.36~16.04.1) yakkety_linux-hwe: DNE zesty_linux-hwe: DNE artful_linux-hwe: DNE devel_linux-hwe: DNE Patches_linux-gke: upstream_linux-gke: released (4.6~rc4) 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: not-affected (4.4.0-1003.3) yakkety_linux-gke: DNE zesty_linux-gke: DNE artful_linux-gke: DNE devel_linux-gke: DNE Patches_linux-azure: upstream_linux-azure: released (4.6~rc4) 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 devel_linux-azure: DNE Patches_linux-gcp: upstream_linux-gcp: released (4.6~rc4) 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 devel_linux-gcp: DNE Patches_linux-kvm: upstream_linux-kvm: released (4.6~rc4) 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 devel_linux-kvm: DNE Patches_linux-euclid: upstream_linux-euclid: released (4.6~rc4) precise/esm_linux-euclid: DNE trusty_linux-euclid: DNE trusty/esm_linux-euclid: DNE vivid/ubuntu-core_linux-euclid: DNE xenial_linux-euclid: not-affected (4.4.0-9019.20) zesty_linux-euclid: DNE artful_linux-euclid: DNE devel_linux-euclid: DNE Patches_linux-oem: upstream_linux-oem: released (4.6~rc4) 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 devel_linux-oem: DNE