Vulnerability-Lookup

BDU:2021-01920 (CVE-2020-27786)

Vulnerability from fstec – Published: 2021-04-06 – Updated: 2024-06-04 – View on bdu.fstec.ru Fixed

Title

Уязвимость реализации протокола MIDI ядра операционной системы Linux, позволяющая нарушителю повысить свои привилегии

Summary

Уязвимость реализации протокола MIDI ядра операционной системы Linux связана с использованием памяти после ее освобождения. Эксплуатация уязвимости может позволить нарушителю повысить свои привилегии

Severity

6.8 (Medium) CVSS 2.0


                      
                        AV:L/AC:L/Au:S/C:C/I:C/A:C

7.8 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-416 - Использование после освобождения

Aliases

CVE-2020-27786

References

17 references

URL
http://www.openwall.com/lists/oss-security/2020/12/03/1
https://access.redhat.com/security/cve/cve-2020-27786
https://bugzilla.redhat.com/show_bug.cgi?id=1900933
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27786
https://cve.omp.ru/bb23402
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c…
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.181
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.124
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.224
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.224
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.42
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.14
https://security.netapp.com/advisory/ntap-20210122-0002/
https://security-tracker.debian.org/tracker/CVE-2020-27786
https://www.cve.org/CVERecord?id=CVE-2020-27786
https://www.openwall.com/lists/oss-security/2020/12/01/1
https://www.suse.com/security/cve/CVE-2020-27786/

Impacted products

24 products from 5 vendors

Vendors

Red Hat, Inc., Сообщество свободного программного обеспечения, Novell Inc., ООО "Открытая мобильная платформа"

Products

Red Hat Enterprise Linux, Debian GNU/Linux, SUSE Linux Enterprise Server for SAP Applications, SUSE OpenStack Cloud, SUSE Linux Enterprise Module for Basesystem, SUSE Enterprise Storage, SUSE Linux Enterprise Module for Development Tools, SUSE Linux Enterprise Point of Sale, Suse Linux Enterprise Server, SUSE Linux Enterprise High Availability, SUSE Linux Enterprise Live Patching, SUSE Linux Enterprise Module for Legacy Software, SUSE Linux Enterprise Module for Live Patching, SUSE Linux Enterprise Workstation Extension, SUSE Linux Enterprise Module for Open Buildservice Development Tools, OpenSUSE Leap, SUSE Linux Enterprise Software Development Kit, SUSE Linux Enterprise Module for Public Cloud, HPE Helion Openstack, SUSE Linux Enterprise Module for Realtime packages, SUSE Linux Enterprise High Performance Computing, SUSE Linux Enterprise Real Time Extension, ОС Аврора (запись в едином реестре российских программ №1543), Linux

Versions

7 (Red Hat Enterprise Linux), 9 (Debian GNU/Linux), 12 SP2 (SUSE Linux Enterprise Server for SAP Applications), 12 SP2-BCL (SUSE Linux Enterprise Server for SAP Applications), 12 SP2-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 12 SP2-LTSS (SUSE Linux Enterprise Server for SAP Applications), 12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 7 (SUSE OpenStack Cloud), 8 (Red Hat Enterprise Linux), 15 SP1 (SUSE Linux Enterprise Module for Basesystem), 5 (SUSE Enterprise Storage), 15 SP1 (SUSE Linux Enterprise Module for Development Tools), 12 SP2-CLIENT (SUSE Linux Enterprise Point of Sale), 12 SP2-BCL (Suse Linux Enterprise Server), 12 SP2-ESPOS (Suse Linux Enterprise Server), 12 SP2 (SUSE Linux Enterprise High Availability), 12 SP3 (SUSE Linux Enterprise High Availability), 12 SP4 (SUSE Linux Enterprise High Availability), 15 (SUSE Linux Enterprise High Availability), 15 SP1 (SUSE Linux Enterprise High Availability), 12 SP4 (SUSE Linux Enterprise Live Patching), 15 SP1 (SUSE Linux Enterprise Module for Legacy Software), 15 (SUSE Linux Enterprise Module for Live Patching), 15 SP1 (SUSE Linux Enterprise Workstation Extension), 15 SP1 (SUSE Linux Enterprise Module for Open Buildservice Development Tools), 15.1 (OpenSUSE Leap), 15 (SUSE Linux Enterprise Server for SAP Applications), 11 SP4-LTSS (Suse Linux Enterprise Server), 12 SP2-LTSS (Suse Linux Enterprise Server), 11 SP4-LTSS (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Module for Live Patching), 12 SP3-LTSS (Suse Linux Enterprise Server), 8 (SUSE OpenStack Cloud), 12 SP3-BCL (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP3-BCL (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (SUSE Linux Enterprise Server for SAP Applications), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 12 SP5 (SUSE Linux Enterprise Software Development Kit), 15 SP1 (SUSE Linux Enterprise Module for Public Cloud), Crowbar 8 (SUSE OpenStack Cloud), 10 (Debian GNU/Linux), 8 (HPE Helion Openstack), 12 SP3-ESPOS (Suse Linux Enterprise Server), 12 SP3-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 9 (SUSE OpenStack Cloud), 12 SP5 (SUSE Linux Enterprise High Availability), 15 SP1 (SUSE Linux Enterprise Module for Realtime packages), 12 SP5 (SUSE Linux Enterprise Workstation Extension), 12 SP5 (SUSE Linux Enterprise Live Patching), 15-ESPOS (SUSE Linux Enterprise High Performance Computing), 15-LTSS (SUSE Linux Enterprise High Performance Computing), 15-LTSS (Suse Linux Enterprise Server), Crowbar 9 (SUSE OpenStack Cloud), 15 SP2 (SUSE Linux Enterprise Module for Basesystem), 12 SP5 (SUSE Linux Enterprise Real Time Extension), 15 SP2 (SUSE Linux Enterprise Module for Open Buildservice Development Tools), 15 SP2 (SUSE Linux Enterprise Workstation Extension), 15.2 (OpenSUSE Leap), 15 SP2 (SUSE Linux Enterprise Module for Development Tools), 12 SP4-ESPOS (Suse Linux Enterprise Server), 12 SP4-LTSS (SUSE Linux Enterprise Server for SAP Applications), 12 SP4-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 15 SP2 (SUSE Linux Enterprise High Availability), 15 SP2 (SUSE Linux Enterprise Module for Legacy Software), 15 SP2 (SUSE Linux Enterprise Module for Live Patching), 15 SP2 (SUSE Linux Enterprise Module for Public Cloud), 15 SP2 (SUSE Linux Enterprise Module for Realtime packages), 12 SP4-LTSS (Suse Linux Enterprise Server), до 4.0.2.249 включительно (ОС Аврора), от 4.0 до 4.4.223 включительно (Linux), от 4.5 до 4.9.223 включительно (Linux), от 4.10 до 4.14.180 включительно (Linux), от 4.15 до 4.19.123 включительно (Linux), от 4.20 до 5.4.41 включительно (Linux), от 5.5 до 5.6.13 включительно (Linux)

Product types

Operating system, Application software

Platforms

Red Hat, Inc. Red Hat Enterprise Linux 7, Сообщество свободного программного обеспечения Debian GNU/Linux 9, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4, Inc. Red Hat Enterprise Linux 8, Novell Inc. Suse Linux Enterprise Server 12 SP2-BCL, Novell Inc. Suse Linux Enterprise Server 12 SP2-ESPOS, Novell Inc. OpenSUSE Leap 15.1, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15, Novell Inc. Suse Linux Enterprise Server 11 SP4-LTSS, Novell Inc. Suse Linux Enterprise Server 12 SP2-LTSS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 11 SP4-LTSS, Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS, Novell Inc. Suse Linux Enterprise Server 12 SP3-BCL, Novell Inc. Suse Linux Enterprise Server 12 SP5, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP5, Сообщество свободного программного обеспечения Debian GNU/Linux 10, Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS, Novell Inc. Suse Linux Enterprise Server 15-LTSS, Novell Inc. OpenSUSE Leap 15.2, Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4-LTSS, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4-ESPOS, Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS, Сообщество свободного программного обеспечения Linux 5.7 rc6, ООО "Открытая мобильная платформа" ОС Аврора до 4.0.2.249 включительно Aquarius CMP NS220 (запись в едином реестре российских программ №1543), ООО "Открытая мобильная платформа" ОС Аврора до 4.0.2.249 включительно Byterg MVK-2020 (запись в едином реестре российских программ №1543), ООО "Открытая мобильная платформа" ОС Аврора до 4.0.2.249 включительно F+ Life Tab Plus (запись в едином реестре российских программ №1543)

Mitigations

Использование рекомендаций: Для Linux: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.181 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.124 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.224 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.224 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.42 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.14 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2020-27786 Для программных продуктов Novell Inc.: https://www.suse.com/security/cve/CVE-2020-27786/ Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/cve-2020-27786 Для ОС Аврора: https://cve.omp.ru/bb23402

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Red Hat, Inc., \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f, Novell Inc., \u041e\u041e\u041e \"\u041e\u0442\u043a\u0440\u044b\u0442\u0430\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\"",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7 (Red Hat Enterprise Linux), 9 (Debian GNU/Linux), 12 SP2 (SUSE Linux Enterprise Server for SAP Applications), 12 SP2-BCL (SUSE Linux Enterprise Server for SAP Applications), 12 SP2-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 12 SP2-LTSS (SUSE Linux Enterprise Server for SAP Applications), 12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 7 (SUSE OpenStack Cloud), 8 (Red Hat Enterprise Linux), 15 SP1 (SUSE Linux Enterprise Module for Basesystem), 5 (SUSE Enterprise Storage), 15 SP1 (SUSE Linux Enterprise Module for Development Tools), 12 SP2-CLIENT (SUSE Linux Enterprise Point of Sale), 12 SP2-BCL (Suse Linux Enterprise Server), 12 SP2-ESPOS (Suse Linux Enterprise Server), 12 SP2 (SUSE Linux Enterprise High Availability), 12 SP3 (SUSE Linux Enterprise High Availability), 12 SP4 (SUSE Linux Enterprise High Availability), 15 (SUSE Linux Enterprise High Availability), 15 SP1 (SUSE Linux Enterprise High Availability), 12 SP4 (SUSE Linux Enterprise Live Patching), 15 SP1 (SUSE Linux Enterprise Module for Legacy Software), 15 (SUSE Linux Enterprise Module for Live Patching), 15 SP1 (SUSE Linux Enterprise Workstation Extension), 15 SP1 (SUSE Linux Enterprise Module for Open Buildservice Development Tools), 15.1 (OpenSUSE Leap), 15 (SUSE Linux Enterprise Server for SAP Applications), 11 SP4-LTSS (Suse Linux Enterprise Server), 12 SP2-LTSS (Suse Linux Enterprise Server), 11 SP4-LTSS (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Module for Live Patching), 12 SP3-LTSS (Suse Linux Enterprise Server), 8 (SUSE OpenStack Cloud), 12 SP3-BCL (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP3-BCL (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (SUSE Linux Enterprise Server for SAP Applications), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 12 SP5 (SUSE Linux Enterprise Software Development Kit), 15 SP1 (SUSE Linux Enterprise Module for Public Cloud), Crowbar 8 (SUSE OpenStack Cloud), 10 (Debian GNU/Linux), 8 (HPE Helion Openstack), 12 SP3-ESPOS (Suse Linux Enterprise Server), 12 SP3-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 9 (SUSE OpenStack Cloud), 12 SP5 (SUSE Linux Enterprise High Availability), 15 SP1 (SUSE Linux Enterprise Module for Realtime packages), 12 SP5 (SUSE Linux Enterprise Workstation Extension), 12 SP5 (SUSE Linux Enterprise Live Patching), 15-ESPOS (SUSE Linux Enterprise High Performance Computing), 15-LTSS (SUSE Linux Enterprise High Performance Computing), 15-LTSS (Suse Linux Enterprise Server), Crowbar 9 (SUSE OpenStack Cloud), 15 SP2 (SUSE Linux Enterprise Module for Basesystem), 12 SP5 (SUSE Linux Enterprise Real Time Extension), 15 SP2 (SUSE Linux Enterprise Module for Open Buildservice Development Tools), 15 SP2 (SUSE Linux Enterprise Workstation Extension), 15.2 (OpenSUSE Leap), 15 SP2 (SUSE Linux Enterprise Module for Development Tools), 12 SP4-ESPOS (Suse Linux Enterprise Server), 12 SP4-LTSS (SUSE Linux Enterprise Server for SAP Applications), 12 SP4-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 15 SP2 (SUSE Linux Enterprise High Availability), 15 SP2 (SUSE Linux Enterprise Module for Legacy Software), 15 SP2 (SUSE Linux Enterprise Module for Live Patching), 15 SP2 (SUSE Linux Enterprise Module for Public Cloud), 15 SP2 (SUSE Linux Enterprise Module for Realtime packages), 12 SP4-LTSS (Suse Linux Enterprise Server), \u0434\u043e 4.0.2.249 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (\u041e\u0421 \u0410\u0432\u0440\u043e\u0440\u0430), \u043e\u0442 4.0 \u0434\u043e 4.4.223 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.5 \u0434\u043e 4.9.223 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.180 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.123 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.41 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5 \u0434\u043e 5.6.13 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\n\u0414\u043b\u044f Linux:\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.181\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.124\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.224\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.224\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.42\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.14\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2020-27786\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Novell Inc.:\nhttps://www.suse.com/security/cve/CVE-2020-27786/\n\n\u0414\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432 Red Hat Inc.:\nhttps://access.redhat.com/security/cve/cve-2020-27786\n\n\u0414\u043b\u044f \u041e\u0421 \u0410\u0432\u0440\u043e\u0440\u0430:\n https://cve.omp.ru/bb23402",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "07.05.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "04.06.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "06.04.2021",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2021-01920",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2020-27786",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Red Hat Enterprise Linux, Debian GNU/Linux, SUSE Linux Enterprise Server for SAP Applications, SUSE OpenStack Cloud, SUSE Linux Enterprise Module for Basesystem, SUSE Enterprise Storage, SUSE Linux Enterprise Module for Development Tools, SUSE Linux Enterprise Point of Sale, Suse Linux Enterprise Server, SUSE Linux Enterprise High Availability, SUSE Linux Enterprise Live Patching, SUSE Linux Enterprise Module for Legacy Software, SUSE Linux Enterprise Module for Live Patching, SUSE Linux Enterprise Workstation Extension, SUSE Linux Enterprise Module for Open Buildservice Development Tools, OpenSUSE Leap, SUSE Linux Enterprise Software Development Kit, SUSE Linux Enterprise Module for Public Cloud, HPE Helion Openstack, SUSE Linux Enterprise Module for Realtime packages, SUSE Linux Enterprise High Performance Computing, SUSE Linux Enterprise Real Time Extension, \u041e\u0421 \u0410\u0432\u0440\u043e\u0440\u0430 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21161543), Linux",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Red Hat, Inc. Red Hat Enterprise Linux 7 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 9 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2-BCL , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2-ESPOS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP2-LTSS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4 , Red Hat, Inc. Red Hat Enterprise Linux 8 , Novell Inc. Suse Linux Enterprise Server 12 SP2-BCL , Novell Inc. Suse Linux Enterprise Server 12 SP2-ESPOS , Novell Inc. OpenSUSE Leap 15.1 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 , Novell Inc. Suse Linux Enterprise Server 11 SP4-LTSS , Novell Inc. Suse Linux Enterprise Server 12 SP2-LTSS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 11 SP4-LTSS , Novell Inc. Suse Linux Enterprise Server 12 SP3-LTSS , Novell Inc. Suse Linux Enterprise Server 12 SP3-BCL , Novell Inc. Suse Linux Enterprise Server 12 SP5 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3-BCL , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3-LTSS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP5 , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Debian GNU/Linux 10 , Novell Inc. Suse Linux Enterprise Server 12 SP3-ESPOS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3-ESPOS , Novell Inc. Suse Linux Enterprise Server 15-LTSS , Novell Inc. OpenSUSE Leap 15.2 , Novell Inc. Suse Linux Enterprise Server 12 SP4-ESPOS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4-LTSS , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4-ESPOS , Novell Inc. Suse Linux Enterprise Server 12 SP4-LTSS , \u0421\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f Linux 5.7 rc6 , \u041e\u041e\u041e \"\u041e\u0442\u043a\u0440\u044b\u0442\u0430\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\" \u041e\u0421 \u0410\u0432\u0440\u043e\u0440\u0430 \u0434\u043e 4.0.2.249 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e Aquarius CMP NS220 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21161543), \u041e\u041e\u041e \"\u041e\u0442\u043a\u0440\u044b\u0442\u0430\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\" \u041e\u0421 \u0410\u0432\u0440\u043e\u0440\u0430 \u0434\u043e 4.0.2.249 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e Byterg MVK-2020 (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21161543), \u041e\u041e\u041e \"\u041e\u0442\u043a\u0440\u044b\u0442\u0430\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u0430\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\" \u041e\u0421 \u0410\u0432\u0440\u043e\u0440\u0430 \u0434\u043e 4.0.2.249 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e F+ Life Tab Plus (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21161543)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 MIDI \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (CWE-416)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 MIDI \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Linux \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://www.openwall.com/lists/oss-security/2020/12/03/1\nhttps://access.redhat.com/security/cve/cve-2020-27786\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1900933\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27786\nhttps://cve.omp.ru/bb23402\nhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.181\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.124\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.224\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.224\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.42\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.14\nhttps://security.netapp.com/advisory/ntap-20210122-0002/\nhttps://security-tracker.debian.org/tracker/CVE-2020-27786\nhttps://www.cve.org/CVERecord?id=CVE-2020-27786\nhttps://www.openwall.com/lists/oss-security/2020/12/01/1\nhttps://www.suse.com/security/cve/CVE-2020-27786/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430, \u041f\u0440\u0438\u043a\u043b\u0430\u0434\u043d\u043e\u0435 \u041f\u041e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-416",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6,8)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)"
}

CVE-2020-27786 (GCVE-0-2020-27786)

Vulnerability from cvelistv5 – Published: 2020-12-11 04:05 – Updated: 2024-08-04 16:25

Summary

A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. A write to this specific memory while freed and before use causes the flow of execution to change and possibly allow for memory corruption or privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Severity

No CVSS data available.

CWE

CWE-416

Assigner

redhat redhat root

References

4 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/12/03/1	mailing-listx_refsource_MLIST
https://bugzilla.redhat.com/show_bug.cgi?id=1900933	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2021012…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	kernel	Affected: kernel 5.7-rc6

Show details on NVD website

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:25:43.903Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d"
          },
          {
            "name": "[oss-security] 20201203 Re: Linux Kernel: ALSA: use-after-free Write in snd_rawmidi_kernel_write1",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/12/03/1"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1900933"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210122-0002/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "kernel",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "kernel 5.7-rc6"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw was found in the Linux kernel\u2019s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. A write to this specific memory while freed and before use causes the flow of execution to change and possibly allow for memory corruption or privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "CWE-416",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-12T14:31:27.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c1f6e3c818dd734c30f6a7eeebf232ba2cf3181d"
        },
        {
          "name": "[oss-security] 20201203 Re: Linux Kernel: ALSA: use-after-free Write in snd_rawmidi_kernel_write1",
          "tags": [
            "mailing-list",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.