Vulnerability-Lookup

BDU:2020-02432

Vulnerability from fstec - Published: 08.05.2020

Title

Уязвимость функции btree_gc_coalesce (drivers/md/bcache/btree.c) ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании

Description

Уязвимость функции btree_gc_coalesce (drivers/md/bcache/btree.c) ядра операционных систем Linux существует из-за недостаточной проверки входных данных. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании

Severity ?


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

Vendor

Сообщество свободного программного обеспечения, Novell Inc.

Software Name

Debian GNU/Linux, SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, SUSE Linux Enterprise High Performance Computing, SUSE Linux Enterprise Module for Basesystem, SUSE Linux Enterprise Module for Development Tools, SUSE Business Critical Linux, Linux

Software Version

9 (Debian GNU/Linux), 12 SP2 (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), 12 SP4 (Suse Linux Enterprise Server), 12 (SUSE Linux Enterprise High Performance Computing), 12 SP1 LTSS (Suse Linux Enterprise Server), 12 SP2 LTSS (Suse Linux Enterprise Server), 15 SP1 (SUSE Linux Enterprise Module for Basesystem), 15 SP1 (SUSE Linux Enterprise Module for Development Tools), 11 SP4-LTSS (Suse Linux Enterprise Server), 12 SP3-LTSS (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 8 (Debian GNU/Linux), 10 (Debian GNU/Linux), ESPOS 15 GA (SUSE Linux Enterprise High Performance Computing), LTSS 15 GA (SUSE Linux Enterprise High Performance Computing), 15 GA LTSS (Suse Linux Enterprise Server), 12 SP2 (SUSE Business Critical Linux), 12 SP3 (SUSE Business Critical Linux), от 4.0 до 4.4.228 включительно (Linux), от 4.5 до 4.9.228 включительно (Linux), от 4.10 до 4.14.185 включительно (Linux), от 4.15 до 4.19.129 включительно (Linux), от 4.20 до 5.4.48 включительно (Linux), от 5.5 до 5.7.5 включительно (Linux)

Possible Mitigations

Использование рекомендаций: Для Linux: https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.186 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.130 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.229 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.49 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.6 Для Debian GNU/Linux: https://security-tracker.debian.org/tracker/CVE-2020-12771 Для программных продуктов Novell Inc.: https://www.suse.com/security/cve/CVE-2020-12771/

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12771 https://git.kernel.org/pub/scm/linux/kernel/git/colyli/bcache-patches.git/tree/for-test/0001-bcache-fix-potential-deadlock-problem-in-btree_gc_co.patch https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.186 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.130 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.229 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.49 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.6 https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html https://lkml.org/lkml/2020/4/26/87 https://lore.kernel.org/lkml/8a6f5fe3-33f9-48e2-e347-05781c3295fd@huawei.com/ https://nvd.nist.gov/vuln/detail/CVE-2020-12771 https://security.netapp.com/advisory/ntap-20200608-0001/ https://security-tracker.debian.org/tracker/CVE-2020-12771 https://ubuntu.com/security/notices/USN-4462-1 https://ubuntu.com/security/notices/USN-4463-1 https://ubuntu.com/security/notices/USN-4465-1 https://ubuntu.com/security/notices/USN-4483-1 https://ubuntu.com/security/notices/USN-4485-1 https://usn.ubuntu.com/4462-1/ https://usn.ubuntu.com/4463-1/ https://usn.ubuntu.com/4465-1/ https://usn.ubuntu.com/4483-1/ https://usn.ubuntu.com/4485-1/ https://usn.ubuntu.com/usn/usn-4462-1 https://usn.ubuntu.com/usn/usn-4463-1 https://usn.ubuntu.com/usn/usn-4465-1 https://usn.ubuntu.com/usn/usn-4483-1 https://usn.ubuntu.com/usn/usn-4485-1 https://www.cve.org/CVERecord?id=CVE-2020-12771 https://www.oracle.com/security-alerts/cpuApr2021.html https://www.suse.com/security/cve/CVE-2020-12771/

CWE

CWE-20, CWE-667

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:N/I:N/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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": "\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.",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "9 (Debian GNU/Linux), 12 SP2 (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), 12 SP4 (Suse Linux Enterprise Server), 12 (SUSE Linux Enterprise High Performance Computing), 12 SP1 LTSS (Suse Linux Enterprise Server), 12 SP2 LTSS (Suse Linux Enterprise Server), 15 SP1 (SUSE Linux Enterprise Module for Basesystem), 15 SP1 (SUSE Linux Enterprise Module for Development Tools), 11 SP4-LTSS (Suse Linux Enterprise Server), 12 SP3-LTSS (Suse Linux Enterprise Server), 12 SP5 (Suse Linux Enterprise Server), 12 SP5 (SUSE Linux Enterprise Server for SAP Applications), 8 (Debian GNU/Linux), 10 (Debian GNU/Linux), ESPOS 15 GA (SUSE Linux Enterprise High Performance Computing), LTSS 15 GA (SUSE Linux Enterprise High Performance Computing), 15 GA LTSS (Suse Linux Enterprise Server), 12 SP2 (SUSE Business Critical Linux), 12 SP3 (SUSE Business Critical Linux), \u043e\u0442 4.0 \u0434\u043e 4.4.228 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.5 \u0434\u043e 4.9.228 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.185 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.129 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.48 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5 \u0434\u043e 5.7.5 \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://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.186\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.130\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.229\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.49\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.6\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://security-tracker.debian.org/tracker/CVE-2020-12771\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-2020-12771/",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "08.05.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "30.05.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "29.05.2020",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2020-02432",
  "\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-2020-12771",
  "\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": "Debian GNU/Linux, SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, SUSE Linux Enterprise High Performance Computing, SUSE Linux Enterprise Module for Basesystem, SUSE Linux Enterprise Module for Development Tools, SUSE Business Critical Linux, 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": "\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 , \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 8 , \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 , \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 \u0434\u043e 5.6.11 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e ",
  "\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 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 btree_gc_coalesce (drivers/md/bcache/btree.c) \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u0430\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u0432\u043e\u0434\u0438\u043c\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 (CWE-20), \u041d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u0430\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0430 (CWE-667)",
  "\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 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 btree_gc_coalesce (drivers/md/bcache/btree.c) \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Linux \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0438\u0437-\u0437\u0430 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445. \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 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\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 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u043c\u0438",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html\nhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12771\nhttps://git.kernel.org/pub/scm/linux/kernel/git/colyli/bcache-patches.git/tree/for-test/0001-bcache-fix-potential-deadlock-problem-in-btree_gc_co.patch\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.186\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.130\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.229\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.49\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.6\nhttps://lists.debian.org/debian-lts-announce/2020/08/msg00019.html\nhttps://lists.debian.org/debian-lts-announce/2020/10/msg00032.html\nhttps://lists.debian.org/debian-lts-announce/2020/10/msg00034.html\nhttps://lkml.org/lkml/2020/4/26/87\nhttps://lore.kernel.org/lkml/8a6f5fe3-33f9-48e2-e347-05781c3295fd@huawei.com/\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-12771\nhttps://security.netapp.com/advisory/ntap-20200608-0001/\nhttps://security-tracker.debian.org/tracker/CVE-2020-12771\nhttps://ubuntu.com/security/notices/USN-4462-1\nhttps://ubuntu.com/security/notices/USN-4463-1\nhttps://ubuntu.com/security/notices/USN-4465-1\nhttps://ubuntu.com/security/notices/USN-4483-1\nhttps://ubuntu.com/security/notices/USN-4485-1\nhttps://usn.ubuntu.com/4462-1/\nhttps://usn.ubuntu.com/4463-1/\nhttps://usn.ubuntu.com/4465-1/\nhttps://usn.ubuntu.com/4483-1/\nhttps://usn.ubuntu.com/4485-1/\nhttps://usn.ubuntu.com/usn/usn-4462-1\nhttps://usn.ubuntu.com/usn/usn-4463-1\nhttps://usn.ubuntu.com/usn/usn-4465-1\nhttps://usn.ubuntu.com/usn/usn-4483-1\nhttps://usn.ubuntu.com/usn/usn-4485-1\nhttps://www.cve.org/CVERecord?id=CVE-2020-12771\nhttps://www.oracle.com/security-alerts/cpuApr2021.html\nhttps://www.suse.com/security/cve/CVE-2020-12771/",
  "\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-20, CWE-667",
  "\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 4,6)\n\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 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 5,5)"
}

CVE-2020-12771 (GCVE-0-2020-12771)

Vulnerability from cvelistv5 – Published: 2020-05-09 20:16 – Updated: 2024-08-04 12:04

Summary

An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://usn.ubuntu.com/4463-1/	vendor-advisoryx_refsource_UBUNTU
	https://usn.ubuntu.com/4465-1/	vendor-advisoryx_refsource_UBUNTU
	https://usn.ubuntu.com/4462-1/	vendor-advisoryx_refsource_UBUNTU
	https://usn.ubuntu.com/4483-1/	vendor-advisoryx_refsource_UBUNTU
	https://usn.ubuntu.com/4485-1/	vendor-advisoryx_refsource_UBUNTU
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
	https://www.oracle.com/security-alerts/cpuApr2021.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-2020060…	x_refsource_CONFIRM
	https://lkml.org/lkml/2020/4/26/87	x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

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.

Action not permitted

BDU:2020-02432

CVE-2020-12771 (GCVE-0-2020-12771)

Tags

Sightings

Nomenclature