PublicDateAtUSN: 2019-08-07 Candidate: CVE-2018-20961 PublicDate: 2019-08-07 15:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20961 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349f https://ubuntu.com/security/notices/USN-4145-1 Description: In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact. Ubuntu-Description: It was discovered that the USB gadget Midi driver in the Linux kernel contained a double-free vulnerability when handling certain error conditions. A local attacker could use this to cause a denial of service (system crash). Notes: Bugs: Priority: medium Discovered-by: Assigned-to: CVSS: nvd: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H [9.8 CRITICAL] Patches_linux: break-fix: ad0d1a058eac46503edbc510d1ce44c5df8e0c91 7fafcfdf6377b18b2a726ea554d6e593ba44349f upstream_linux: released (4.17~rc1) trusty_linux: ignored (out of standard support) precise/esm_linux: ignored (was needs-triage ESM criteria) trusty/esm_linux: ignored (was needs-triage ESM criteria) xenial_linux: released (4.4.0-165.193) esm-infra/xenial_linux: released (4.4.0-165.193) bionic_linux: released (4.15.0-24.26) disco_linux: not-affected (4.18.0-10.11) devel_linux: not-affected (5.0.0-13.14) Patches_linux-hwe: upstream_linux-hwe: released (4.17~rc1) precise/esm_linux-hwe: DNE trusty/esm_linux-hwe: DNE xenial_linux-hwe: released (4.15.0-24.26~16.04.1) esm-infra/xenial_linux-hwe: released (4.15.0-24.26~16.04.1) bionic_linux-hwe: not-affected (4.18.0-13.14~18.04.1) disco_linux-hwe: DNE devel_linux-hwe: DNE Patches_linux-hwe-edge: upstream_linux-hwe-edge: released (4.17~rc1) precise/esm_linux-hwe-edge: DNE trusty/esm_linux-hwe-edge: DNE xenial_linux-hwe-edge: released (4.15.0-24.26~16.04.1) esm-infra/xenial_linux-hwe-edge: released (4.15.0-24.26~16.04.1) bionic_linux-hwe-edge: not-affected (5.0.0-15.16~18.04.1) disco_linux-hwe-edge: DNE devel_linux-hwe-edge: DNE Patches_linux-lts-xenial: upstream_linux-lts-xenial: released (4.17~rc1) precise/esm_linux-lts-xenial: DNE trusty/esm_linux-lts-xenial: ignored (was needs-triage ESM criteria) xenial_linux-lts-xenial: DNE bionic_linux-lts-xenial: DNE disco_linux-lts-xenial: DNE devel_linux-lts-xenial: DNE Patches_linux-lts-trusty: upstream_linux-lts-trusty: released (4.17~rc1) precise/esm_linux-lts-trusty: ignored (was needs-triage ESM criteria) trusty/esm_linux-lts-trusty: DNE xenial_linux-lts-trusty: DNE bionic_linux-lts-trusty: DNE disco_linux-lts-trusty: DNE devel_linux-lts-trusty: DNE Patches_linux-oem: upstream_linux-oem: released (4.17~rc1) precise/esm_linux-oem: DNE trusty/esm_linux-oem: DNE xenial_linux-oem: ignored (was needs-triage now end-of-life) bionic_linux-oem: released (4.15.0-1009.12) disco_linux-oem: not-affected (4.15.0-1021.24) devel_linux-oem: not-affected (4.15.0-1035.40) Patches_linux-kvm: upstream_linux-kvm: not-affected (CONFIG_USB_F_MIDI is not enabled) precise/esm_linux-kvm: DNE trusty/esm_linux-kvm: DNE xenial_linux-kvm: not-affected (CONFIG_USB_F_MIDI is not enabled) esm-infra/xenial_linux-kvm: not-affected (CONFIG_USB_F_MIDI is not enabled) bionic_linux-kvm: not-affected (CONFIG_USB_F_MIDI is not enabled) disco_linux-kvm: not-affected (CONFIG_USB_F_MIDI is not enabled) devel_linux-kvm: not-affected (CONFIG_USB_F_MIDI is not enabled) Patches_linux-aws: upstream_linux-aws: not-affected (CONFIG_USB_F_MIDI is not enabled) precise/esm_linux-aws: DNE trusty/esm_linux-aws: ignored (was needs-triage ESM criteria) xenial_linux-aws: not-affected (CONFIG_USB_F_MIDI is not enabled) esm-infra/xenial_linux-aws: not-affected (CONFIG_USB_F_MIDI is not enabled) bionic_linux-aws: not-affected (CONFIG_USB_F_MIDI is not enabled) disco_linux-aws: not-affected (CONFIG_USB_F_MIDI is not enabled) devel_linux-aws: not-affected (CONFIG_USB_F_MIDI is not enabled) Patches_linux-aws-hwe: upstream_linux-aws-hwe: not-affected (CONFIG_USB_F_MIDI is not enabled) precise/esm_linux-aws-hwe: DNE trusty/esm_linux-aws-hwe: DNE xenial_linux-aws-hwe: not-affected (CONFIG_USB_F_MIDI is not enabled) esm-infra/xenial_linux-aws-hwe: not-affected (CONFIG_USB_F_MIDI is not enabled) bionic_linux-aws-hwe: DNE disco_linux-aws-hwe: DNE devel_linux-aws-hwe: DNE Patches_linux-azure: upstream_linux-azure: not-affected (CONFIG_USB_F_MIDI is not enabled) precise/esm_linux-azure: DNE trusty/esm_linux-azure: ignored (was needs-triage ESM criteria) xenial_linux-azure: not-affected (CONFIG_USB_F_MIDI is not enabled) esm-infra/xenial_linux-azure: not-affected (CONFIG_USB_F_MIDI is not enabled) bionic_linux-azure: not-affected (CONFIG_USB_F_MIDI is not enabled) disco_linux-azure: not-affected (CONFIG_USB_F_MIDI is not enabled) devel_linux-azure: not-affected (CONFIG_USB_F_MIDI is not enabled) upstream_linux-azure-edge: needs-triage Patches_linux-azure-edge: precise/esm_linux-azure-edge: DNE trusty/esm_linux-azure-edge: DNE xenial_linux-azure-edge: not-affected (CONFIG_USB_F_MIDI is not enabled) bionic_linux-azure-edge: not-affected (CONFIG_USB_F_MIDI is not enabled) disco_linux-azure-edge: DNE devel_linux-azure-edge: DNE Patches_linux-gcp: upstream_linux-gcp: released (4.17~rc1) precise/esm_linux-gcp: DNE trusty/esm_linux-gcp: DNE xenial_linux-gcp: released (4.15.0-1014.14~16.04.1) esm-infra/xenial_linux-gcp: released (4.15.0-1014.14~16.04.1) bionic_linux-gcp: released (4.15.0-1010.10) disco_linux-gcp: not-affected (4.18.0-1002.3) devel_linux-gcp: not-affected (5.0.0-1004.4) Patches_linux-gcp-edge: upstream_linux-gcp-edge: released (4.17~rc1) precise/esm_linux-gcp-edge: DNE trusty/esm_linux-gcp-edge: DNE xenial_linux-gcp-edge: DNE bionic_linux-gcp-edge: released (4.15.0-1010.10) disco_linux-gcp-edge: DNE devel_linux-gcp-edge: DNE Patches_linux-gke-4.15: upstream_linux-gke-4.15: released (4.17~rc1) 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: not-affected (4.15.0-1030.32) disco_linux-gke-4.15: DNE devel_linux-gke-4.15: DNE Patches_linux-gke-5.0: upstream_linux-gke-5.0: released (4.17~rc1) 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-oracle: upstream_linux-oracle: released (4.17~rc1) precise/esm_linux-oracle: DNE trusty/esm_linux-oracle: DNE xenial_linux-oracle: not-affected (4.15.0-1007.9~16.04.1) esm-infra/xenial_linux-oracle: not-affected (4.15.0-1007.9~16.04.1) bionic_linux-oracle: not-affected (4.15.0-1007.9) disco_linux-oracle: not-affected (4.15.0-1007.9) devel_linux-oracle: not-affected (4.15.0-1011.13) Patches_linux-raspi2: upstream_linux-raspi2: released (4.17~rc1) precise/esm_linux-raspi2: DNE trusty/esm_linux-raspi2: DNE xenial_linux-raspi2: released (4.4.0-1123.132) bionic_linux-raspi2: released (4.15.0-1013.14) disco_linux-raspi2: not-affected (4.18.0-1005.7) devel_linux-raspi2: not-affected (5.0.0-1006.6) Patches_linux-snapdragon: upstream_linux-snapdragon: released (4.17~rc1) precise/esm_linux-snapdragon: DNE trusty/esm_linux-snapdragon: DNE xenial_linux-snapdragon: released (4.4.0-1127.135) bionic_linux-snapdragon: released (4.15.0-1053.57) disco_linux-snapdragon: not-affected (5.0.0-1010.10) devel_linux-snapdragon: not-affected (5.0.0-1010.10)