PublicDateAtUSN: 2018-12-17 Candidate: CVE-2018-20169 PublicDate: 2018-12-17 07:29:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20169 https://git.kernel.org/linus/704620afc70cf47abb9d6a1a57f3825d2bca49cf https://ubuntu.com/security/notices/USN-3879-1 https://ubuntu.com/security/notices/USN-3879-2 https://ubuntu.com/security/notices/USN-4094-1 https://ubuntu.com/security/notices/USN-4118-1 Description: An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c. Ubuntu-Description: Hui Peng and Mathias Payer discovered that the USB subsystem in the Linux kernel did not properly handle size checks when handling an extra USB descriptor. A physically proximate attacker could use this to cause a denial of service (system crash). Notes: tyhicks> This issue requires physical access and, therefore, is being rated as a low priority issue Bugs: Priority: low Discovered-by: Hui Peng and Mathias Payer Assigned-to: CVSS: nvd: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [6.8 MEDIUM] Patches_linux: break-fix: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 704620afc70cf47abb9d6a1a57f3825d2bca49cf upstream_linux: released (4.20~rc6) precise/esm_linux: ignored (was needs-triage ESM criteria) trusty_linux: ignored (reached end-of-life) trusty/esm_linux: ignored (was needed ESM criteria) xenial_linux: released (4.4.0-142.168) esm-infra/xenial_linux: released (4.4.0-142.168) bionic_linux: released (4.15.0-58.64) cosmic_linux: ignored (reached end-of-life) disco_linux: not-affected (4.19.0-12.13) devel_linux: not-affected (5.0.0-13.14) Patches_linux-lts-trusty: upstream_linux-lts-trusty: released (4.20~rc6) precise/esm_linux-lts-trusty: ignored (was needs-triage ESM criteria) trusty_linux-lts-trusty: DNE trusty/esm_linux-lts-trusty: DNE xenial_linux-lts-trusty: DNE bionic_linux-lts-trusty: DNE cosmic_linux-lts-trusty: DNE disco_linux-lts-trusty: DNE devel_linux-lts-trusty: DNE Patches_linux-goldfish: upstream_linux-goldfish: released (4.20~rc6) precise/esm_linux-goldfish: DNE trusty_linux-goldfish: ignored (abandoned) trusty/esm_linux-goldfish: DNE (trusty was ignored [abandoned]) xenial_linux-goldfish: ignored (end-of-life) bionic_linux-goldfish: DNE cosmic_linux-goldfish: DNE disco_linux-goldfish: DNE devel_linux-goldfish: DNE Patches_linux-grouper: upstream_linux-grouper: released (4.20~rc6) precise/esm_linux-grouper: DNE trusty_linux-grouper: ignored (abandoned) trusty/esm_linux-grouper: DNE (trusty was ignored [abandoned]) xenial_linux-grouper: DNE bionic_linux-grouper: DNE cosmic_linux-grouper: DNE disco_linux-grouper: DNE devel_linux-grouper: DNE Patches_linux-maguro: upstream_linux-maguro: released (4.20~rc6) precise/esm_linux-maguro: DNE trusty_linux-maguro: ignored (abandoned) trusty/esm_linux-maguro: DNE (trusty was ignored [abandoned]) xenial_linux-maguro: DNE bionic_linux-maguro: DNE cosmic_linux-maguro: DNE disco_linux-maguro: DNE devel_linux-maguro: DNE Patches_linux-mako: upstream_linux-mako: released (4.20~rc6) precise/esm_linux-mako: DNE trusty_linux-mako: ignored (abandoned) trusty/esm_linux-mako: DNE (trusty was ignored [abandoned]) xenial_linux-mako: ignored (abandoned) bionic_linux-mako: DNE cosmic_linux-mako: DNE disco_linux-mako: DNE devel_linux-mako: DNE Patches_linux-manta: upstream_linux-manta: released (4.20~rc6) precise/esm_linux-manta: DNE trusty_linux-manta: ignored (abandoned) trusty/esm_linux-manta: DNE (trusty was ignored [abandoned]) xenial_linux-manta: DNE bionic_linux-manta: DNE cosmic_linux-manta: DNE disco_linux-manta: DNE devel_linux-manta: DNE Patches_linux-flo: upstream_linux-flo: released (4.20~rc6) precise/esm_linux-flo: DNE trusty_linux-flo: ignored (abandoned) trusty/esm_linux-flo: DNE (trusty was ignored [abandoned]) xenial_linux-flo: ignored (abandoned) bionic_linux-flo: DNE cosmic_linux-flo: DNE disco_linux-flo: DNE devel_linux-flo: DNE Patches_linux-raspi2: upstream_linux-raspi2: released (4.20~rc6) precise/esm_linux-raspi2: DNE trusty_linux-raspi2: DNE trusty/esm_linux-raspi2: DNE xenial_linux-raspi2: released (4.4.0-1103.111) bionic_linux-raspi2: released (4.15.0-1043.46) cosmic_linux-raspi2: ignored (reached end-of-life) disco_linux-raspi2: not-affected (5.0.0-1004.4) devel_linux-raspi2: not-affected (5.0.0-1006.6) Patches_linux-lts-utopic: upstream_linux-lts-utopic: released (4.20~rc6) precise/esm_linux-lts-utopic: DNE trusty_linux-lts-utopic: ignored (out of standard support) trusty/esm_linux-lts-utopic: DNE (trusty was ignored [end-of-life]) xenial_linux-lts-utopic: DNE bionic_linux-lts-utopic: DNE cosmic_linux-lts-utopic: DNE disco_linux-lts-utopic: DNE devel_linux-lts-utopic: DNE Patches_linux-lts-vivid: upstream_linux-lts-vivid: released (4.20~rc6) precise/esm_linux-lts-vivid: DNE trusty_linux-lts-vivid: ignored (out of standard support) trusty/esm_linux-lts-vivid: DNE (trusty was ignored [end-of-life]) xenial_linux-lts-vivid: DNE bionic_linux-lts-vivid: DNE cosmic_linux-lts-vivid: DNE disco_linux-lts-vivid: DNE devel_linux-lts-vivid: DNE Patches_linux-lts-wily: upstream_linux-lts-wily: released (4.20~rc6) precise/esm_linux-lts-wily: DNE trusty_linux-lts-wily: ignored (out of standard support) trusty/esm_linux-lts-wily: DNE (trusty was ignored [end-of-life]) xenial_linux-lts-wily: DNE bionic_linux-lts-wily: DNE cosmic_linux-lts-wily: DNE disco_linux-lts-wily: DNE devel_linux-lts-wily: DNE Patches_linux-lts-xenial: upstream_linux-lts-xenial: released (4.20~rc6) precise/esm_linux-lts-xenial: DNE trusty_linux-lts-xenial: released (4.4.0-142.168~14.04.1) trusty/esm_linux-lts-xenial: released (4.4.0-142.168~14.04.1) xenial_linux-lts-xenial: DNE bionic_linux-lts-xenial: DNE cosmic_linux-lts-xenial: DNE disco_linux-lts-xenial: DNE devel_linux-lts-xenial: DNE Patches_linux-snapdragon: upstream_linux-snapdragon: released (4.20~rc6) precise/esm_linux-snapdragon: DNE trusty_linux-snapdragon: DNE trusty/esm_linux-snapdragon: DNE xenial_linux-snapdragon: released (4.4.0-1107.112) bionic_linux-snapdragon: released (4.15.0-1060.66) cosmic_linux-snapdragon: DNE disco_linux-snapdragon: not-affected (5.0.0-1010.10) devel_linux-snapdragon: DNE Patches_linux-aws: upstream_linux-aws: released (4.20~rc6) precise/esm_linux-aws: DNE trusty_linux-aws: released (4.4.0-1038.41) trusty/esm_linux-aws: released (4.4.0-1038.41) xenial_linux-aws: released (4.4.0-1075.85) esm-infra/xenial_linux-aws: released (4.4.0-1075.85) bionic_linux-aws: released (4.15.0-1047.49) cosmic_linux-aws: ignored (reached end-of-life) disco_linux-aws: not-affected (5.0.0-1001.1) devel_linux-aws: not-affected (5.0.0-1004.4) Patches_linux-hwe: upstream_linux-hwe: released (4.20~rc6) precise/esm_linux-hwe: DNE trusty_linux-hwe: DNE trusty/esm_linux-hwe: DNE xenial_linux-hwe: released (4.15.0-58.64~16.04.1) esm-infra/xenial_linux-hwe: released (4.15.0-58.64~16.04.1) bionic_linux-hwe: released (5.0.0-23.24~18.04.1) cosmic_linux-hwe: DNE disco_linux-hwe: DNE devel_linux-hwe: DNE Patches_linux-hwe-edge: upstream_linux-hwe-edge: released (4.20~rc6) precise/esm_linux-hwe-edge: DNE trusty_linux-hwe-edge: DNE trusty/esm_linux-hwe-edge: DNE xenial_linux-hwe-edge: released (4.15.0-58.64~16.04.1) esm-infra/xenial_linux-hwe-edge: released (4.15.0-58.64~16.04.1) bionic_linux-hwe-edge: not-affected (5.0.0-15.16~18.04.1) cosmic_linux-hwe-edge: DNE disco_linux-hwe-edge: DNE devel_linux-hwe-edge: DNE Patches_linux-gke: upstream_linux-gke: released (4.20~rc6) precise/esm_linux-gke: DNE trusty_linux-gke: DNE trusty/esm_linux-gke: DNE xenial_linux-gke: ignored (end-of-life) bionic_linux-gke: DNE cosmic_linux-gke: DNE disco_linux-gke: DNE devel_linux-gke: DNE Patches_linux-gke-4.15: upstream_linux-gke-4.15: released (4.20~rc6) precise/esm_linux-gke-4.15: DNE trusty/esm_linux-gke-4.15: DNE xenial_linux-gke-4.15: DNE bionic_linux-gke-4.15: released (4.15.0-1040.42) disco_linux-gke-4.15: DNE devel_linux-gke-4.15: DNE Patches_linux-gke-5.0: upstream_linux-gke-5.0: released (4.20~rc6) precise/esm_linux-gke-5.0: DNE trusty/esm_linux-gke-5.0: DNE xenial_linux-gke-5.0: DNE bionic_linux-gke-5.0: not-affected (5.0.0-1011.11~18.04.1) disco_linux-gke-5.0: DNE devel_linux-gke-5.0: DNE Patches_linux-azure: upstream_linux-azure: released (4.20~rc6) precise/esm_linux-azure: DNE trusty_linux-azure: ignored (reached end-of-life) trusty/esm_linux-azure: ignored (was needed ESM criteria) xenial_linux-azure: released (4.15.0-1055.60) esm-infra/xenial_linux-azure: released (4.15.0-1055.60) bionic_linux-azure: released (5.0.0-1014.14~18.04.1) cosmic_linux-azure: ignored (reached end-of-life) disco_linux-azure: not-affected (5.0.0-1001.1) devel_linux-azure: not-affected (5.0.0-1004.4) Patches_linux-azure-edge: upstream_linux-azure-edge: released (4.20~rc6) precise/esm_linux-azure-edge: DNE trusty_linux-azure-edge: DNE trusty/esm_linux-azure-edge: DNE xenial_linux-azure-edge: released (4.15.0-1055.60) bionic_linux-azure-edge: released (5.0.0-1014.14~18.04.1) cosmic_linux-azure-edge: DNE disco_linux-azure-edge: DNE devel_linux-azure-edge: DNE Patches_linux-gcp: upstream_linux-gcp: released (4.20~rc6) precise/esm_linux-gcp: DNE trusty_linux-gcp: DNE trusty/esm_linux-gcp: DNE xenial_linux-gcp: released (4.15.0-1040.42~16.04.1) esm-infra/xenial_linux-gcp: released (4.15.0-1040.42~16.04.1) bionic_linux-gcp: released (4.15.0-1040.42) cosmic_linux-gcp: ignored (reached end-of-life) disco_linux-gcp: not-affected (5.0.0-1001.1) devel_linux-gcp: not-affected (5.0.0-1004.4) Patches_linux-kvm: upstream_linux-kvm: released (4.20~rc6) precise/esm_linux-kvm: DNE trusty_linux-kvm: DNE trusty/esm_linux-kvm: DNE xenial_linux-kvm: released (4.4.0-1040.46) esm-infra/xenial_linux-kvm: released (4.4.0-1040.46) bionic_linux-kvm: released (4.15.0-1042.42) cosmic_linux-kvm: ignored (reached end-of-life) disco_linux-kvm: not-affected (5.0.0-1001.1) devel_linux-kvm: not-affected (5.0.0-1004.4) Patches_linux-euclid: upstream_linux-euclid: released (4.20~rc6) precise/esm_linux-euclid: DNE trusty_linux-euclid: DNE trusty/esm_linux-euclid: DNE xenial_linux-euclid: ignored (was needs-triage ESM criteria) bionic_linux-euclid: DNE cosmic_linux-euclid: DNE disco_linux-euclid: DNE devel_linux-euclid: DNE Patches_linux-oem: upstream_linux-oem: released (4.20~rc6) precise/esm_linux-oem: DNE trusty_linux-oem: DNE trusty/esm_linux-oem: DNE xenial_linux-oem: ignored (was needs-triage now end-of-life) bionic_linux-oem: released (4.15.0-1050.57) cosmic_linux-oem: ignored (reached end-of-life) disco_linux-oem: released (4.15.0-1050.57) devel_linux-oem: released (4.15.0-1050.57) Patches_linux-gcp-edge: upstream_linux-gcp-edge: released (4.20~rc6) precise/esm_linux-gcp-edge: DNE trusty_linux-gcp-edge: DNE trusty/esm_linux-gcp-edge: DNE xenial_linux-gcp-edge: DNE bionic_linux-gcp-edge: released (4.15.0-1040.42) cosmic_linux-gcp-edge: DNE disco_linux-gcp-edge: DNE devel_linux-gcp-edge: DNE Patches_linux-aws-hwe: upstream_linux-aws-hwe: released (4.20~rc6) precise/esm_linux-aws-hwe: DNE trusty_linux-aws-hwe: DNE trusty/esm_linux-aws-hwe: DNE xenial_linux-aws-hwe: released (4.15.0-1047.49~16.04.1) esm-infra/xenial_linux-aws-hwe: released (4.15.0-1047.49~16.04.1) bionic_linux-aws-hwe: DNE cosmic_linux-aws-hwe: DNE disco_linux-aws-hwe: DNE devel_linux-aws-hwe: DNE Patches_linux-oracle: upstream_linux-oracle: released (4.20~rc6) precise/esm_linux-oracle: DNE trusty_linux-oracle: DNE trusty/esm_linux-oracle: DNE xenial_linux-oracle: released (4.15.0-1021.23~16.04.1) esm-infra/xenial_linux-oracle: released (4.15.0-1021.23~16.04.1) bionic_linux-oracle: released (4.15.0-1021.23) cosmic_linux-oracle: ignored (reached end-of-life) disco_linux-oracle: released (5.0.0-1004.8) devel_linux-oracle: not-affected (5.3.0-1002.2)