PublicDateAtUSN: 2018-03-31 Candidate: CVE-2017-18255 PublicDate: 2018-03-31 17:29:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18255 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e45a924f254d9570093abde46430c3172e3d https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3d https://ubuntu.com/security/notices/USN-3696-1 https://ubuntu.com/security/notices/USN-3696-2 https://ubuntu.com/security/notices/USN-3754-1 Description: The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation. Ubuntu-Description: It was discovered that an integer overflow existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (system crash). Notes: Bugs: Priority: low Discovered-by: Assigned-to: CVSS: nvd: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H [7.8 HIGH] Patches_linux: break-fix: - 1572e45a924f254d9570093abde46430c3172e3d upstream_linux: released (4.11~rc1) precise/esm_linux: ignored (was needed ESM criteria) trusty_linux: released (3.13.0-157.207) trusty/esm_linux: released (3.13.0-157.207) xenial_linux: released (4.4.0-130.156) esm-infra/xenial_linux: released (4.4.0-130.156) artful_linux: not-affected (4.11.0-10.15) bionic_linux: not-affected (4.13.0-16.19) cosmic_linux: not-affected (4.15.0-20.21) devel_linux: not-affected (4.15.0-20.21) Patches_linux-lts-trusty: upstream_linux-lts-trusty: released (4.11~rc1) precise/esm_linux-lts-trusty: ignored (was needed ESM criteria) trusty_linux-lts-trusty: DNE trusty/esm_linux-lts-trusty: DNE xenial_linux-lts-trusty: DNE artful_linux-lts-trusty: DNE bionic_linux-lts-trusty: DNE cosmic_linux-lts-trusty: DNE devel_linux-lts-trusty: DNE Patches_linux-goldfish: upstream_linux-goldfish: released (4.11~rc1) precise/esm_linux-goldfish: DNE trusty_linux-goldfish: ignored (abandoned) trusty/esm_linux-goldfish: DNE (trusty was ignored [abandoned]) xenial_linux-goldfish: ignored (was needed now end-of-life) artful_linux-goldfish: DNE bionic_linux-goldfish: DNE cosmic_linux-goldfish: DNE devel_linux-goldfish: DNE Patches_linux-grouper: upstream_linux-grouper: released (4.11~rc1) precise/esm_linux-grouper: DNE trusty_linux-grouper: ignored (abandoned) trusty/esm_linux-grouper: DNE (trusty was ignored [abandoned]) xenial_linux-grouper: DNE artful_linux-grouper: DNE bionic_linux-grouper: DNE cosmic_linux-grouper: DNE devel_linux-grouper: DNE Patches_linux-maguro: upstream_linux-maguro: released (4.11~rc1) precise/esm_linux-maguro: DNE trusty_linux-maguro: ignored (abandoned) trusty/esm_linux-maguro: DNE (trusty was ignored [abandoned]) xenial_linux-maguro: DNE artful_linux-maguro: DNE bionic_linux-maguro: DNE cosmic_linux-maguro: DNE devel_linux-maguro: DNE Patches_linux-mako: upstream_linux-mako: released (4.11~rc1) precise/esm_linux-mako: DNE trusty_linux-mako: ignored (abandoned) trusty/esm_linux-mako: DNE (trusty was ignored [abandoned]) xenial_linux-mako: ignored (abandoned) artful_linux-mako: DNE bionic_linux-mako: DNE cosmic_linux-mako: DNE devel_linux-mako: DNE Patches_linux-manta: upstream_linux-manta: released (4.11~rc1) precise/esm_linux-manta: DNE trusty_linux-manta: ignored (abandoned) trusty/esm_linux-manta: DNE (trusty was ignored [abandoned]) xenial_linux-manta: DNE artful_linux-manta: DNE bionic_linux-manta: DNE cosmic_linux-manta: DNE devel_linux-manta: DNE Patches_linux-flo: upstream_linux-flo: released (4.11~rc1) precise/esm_linux-flo: DNE trusty_linux-flo: ignored (abandoned) trusty/esm_linux-flo: DNE (trusty was ignored [abandoned]) xenial_linux-flo: ignored (abandoned) artful_linux-flo: DNE bionic_linux-flo: DNE cosmic_linux-flo: DNE devel_linux-flo: DNE Patches_linux-raspi2: upstream_linux-raspi2: released (4.11~rc1) precise/esm_linux-raspi2: DNE trusty_linux-raspi2: DNE trusty/esm_linux-raspi2: DNE xenial_linux-raspi2: released (4.4.0-1092.100) artful_linux-raspi2: not-affected (4.13.0-1004.4) bionic_linux-raspi2: not-affected (4.13.0-1005.5) cosmic_linux-raspi2: not-affected (4.15.0-1010.11) devel_linux-raspi2: not-affected (4.15.0-1010.11) Patches_linux-lts-utopic: upstream_linux-lts-utopic: released (4.11~rc1) 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]) xenial_linux-lts-utopic: DNE artful_linux-lts-utopic: DNE bionic_linux-lts-utopic: DNE cosmic_linux-lts-utopic: DNE devel_linux-lts-utopic: DNE Patches_linux-lts-vivid: upstream_linux-lts-vivid: released (4.11~rc1) precise/esm_linux-lts-vivid: DNE trusty_linux-lts-vivid: ignored (out of standard support) trusty/esm_linux-lts-vivid: DNE (trusty was ignored [out of standard support]) xenial_linux-lts-vivid: DNE artful_linux-lts-vivid: DNE bionic_linux-lts-vivid: DNE cosmic_linux-lts-vivid: DNE devel_linux-lts-vivid: DNE Patches_linux-lts-wily: upstream_linux-lts-wily: released (4.11~rc1) 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]) xenial_linux-lts-wily: DNE artful_linux-lts-wily: DNE bionic_linux-lts-wily: DNE cosmic_linux-lts-wily: DNE devel_linux-lts-wily: DNE Patches_linux-lts-xenial: upstream_linux-lts-xenial: released (4.11~rc1) precise/esm_linux-lts-xenial: DNE trusty_linux-lts-xenial: released (4.4.0-130.156~14.04.1) trusty/esm_linux-lts-xenial: released (4.4.0-130.156~14.04.1) xenial_linux-lts-xenial: DNE artful_linux-lts-xenial: DNE bionic_linux-lts-xenial: DNE cosmic_linux-lts-xenial: DNE devel_linux-lts-xenial: DNE Patches_linux-snapdragon: upstream_linux-snapdragon: released (4.11~rc1) precise/esm_linux-snapdragon: DNE trusty_linux-snapdragon: DNE trusty/esm_linux-snapdragon: DNE xenial_linux-snapdragon: released (4.4.0-1095.100) artful_linux-snapdragon: released (4.4.0-1095.100) bionic_linux-snapdragon: not-affected cosmic_linux-snapdragon: DNE devel_linux-snapdragon: DNE Patches_linux-aws: upstream_linux-aws: released (4.11~rc1) precise/esm_linux-aws: DNE trusty_linux-aws: released (4.4.0-1024.25) trusty/esm_linux-aws: released (4.4.0-1024.25) xenial_linux-aws: released (4.4.0-1062.71) esm-infra/xenial_linux-aws: released (4.4.0-1062.71) artful_linux-aws: DNE bionic_linux-aws: not-affected (4.15.0-1001.1) cosmic_linux-aws: not-affected (4.15.0-1007.7) devel_linux-aws: not-affected (4.15.0-1007.7) Patches_linux-hwe: upstream_linux-hwe: released (4.11~rc1) precise/esm_linux-hwe: DNE trusty_linux-hwe: DNE trusty/esm_linux-hwe: DNE xenial_linux-hwe: released (4.13.0-26.29~16.04.2) esm-infra/xenial_linux-hwe: released (4.13.0-26.29~16.04.2) artful_linux-hwe: DNE bionic_linux-hwe: not-affected cosmic_linux-hwe: DNE devel_linux-hwe: DNE Patches_linux-hwe-edge: upstream_linux-hwe-edge: released (4.11~rc1) precise/esm_linux-hwe-edge: DNE trusty_linux-hwe-edge: DNE trusty/esm_linux-hwe-edge: DNE xenial_linux-hwe-edge: released (4.13.0-26.29~16.04.2) esm-infra/xenial_linux-hwe-edge: released (4.13.0-26.29~16.04.2) artful_linux-hwe-edge: DNE bionic_linux-hwe-edge: not-affected (4.18.0-8.9~18.04.1) cosmic_linux-hwe-edge: DNE devel_linux-hwe-edge: DNE Patches_linux-gke: upstream_linux-gke: released (4.11~rc1) precise/esm_linux-gke: DNE trusty_linux-gke: DNE trusty/esm_linux-gke: DNE xenial_linux-gke: ignored (was needed now end-of-life) artful_linux-gke: DNE bionic_linux-gke: DNE cosmic_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) xenial_linux-azure: not-affected (4.11.0-1009.9) esm-infra/xenial_linux-azure: not-affected (4.11.0-1009.9) artful_linux-azure: DNE bionic_linux-azure: not-affected (4.15.0-1002.2) cosmic_linux-azure: not-affected (4.15.0-1009.9) 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 xenial_linux-gcp: released (4.13.0-1002.5) esm-infra/xenial_linux-gcp: released (4.13.0-1002.5) artful_linux-gcp: DNE bionic_linux-gcp: not-affected (4.15.0-1001.1) cosmic_linux-gcp: not-affected (4.15.0-1006.6) 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 xenial_linux-kvm: released (4.4.0-1029.34) esm-infra/xenial_linux-kvm: released (4.4.0-1029.34) artful_linux-kvm: DNE bionic_linux-kvm: not-affected (4.15.0-1002.2) cosmic_linux-kvm: not-affected (4.15.0-1008.8) 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 xenial_linux-euclid: ignored (was needed ESM criteria) artful_linux-euclid: DNE bionic_linux-euclid: DNE cosmic_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) artful_linux-oem: DNE bionic_linux-oem: not-affected (4.15.0-1002.3) cosmic_linux-oem: not-affected (4.15.0-1004.5) devel_linux-oem: not-affected (4.15.0-1004.5) Patches_linux-azure-edge: upstream_linux-azure-edge: released (4.11~rc1) precise/esm_linux-azure-edge: DNE trusty_linux-azure-edge: DNE trusty/esm_linux-azure-edge: DNE xenial_linux-azure-edge: not-affected (4.15.0-1002.2) bionic_linux-azure-edge: not-affected (4.18.0-1003.3~18.04.1) cosmic_linux-azure-edge: DNE devel_linux-azure-edge: DNE