Vulnerability-Lookup

BDU:2020-03359 (CVE-2020-12655)

Vulnerability from fstec – Published: 2020-07-17 – Updated: 2024-06-18 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции xfs_agf_verify файловой системы XFS ядра операционных систем Linux, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость функции xfs_agf_verify файловой системы XFS ядра операционных систем Linux связана с неправильной проверкой входных данных. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании путем синхронизации специально созданного файла с метаданными из смонтированной системы XFS

Severity

4.6 (Medium) CVSS 2.0


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

5.5 (Medium) CVSS 3.0


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Functionality abuse, Resource manipulation

Incidents

Being clarified

Remediation

Software update

CWE

CWE-20 - Недостаточная проверка вводимых данных
CWE-400 - Неконтролируемый расход ресурса («Истощение ресурса»)
CWE-835 - Выполнение цикла с недоступным условием выхода (бесконечный цикл)

Aliases

CVE-2020-12655

References

33 references

URL
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12655
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7…
https://git.kernel.org/linus/d0c7feaf87678371c2c09b3709400be416b2dc62
https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.187
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.131
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.50
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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapr…
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
https://lore.kernel.org/linux-xfs/20200221153803.GP9506%40magnolia/
https://lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/
https://security.netapp.com/advisory/ntap-20200608-0001/
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://ubuntu.com/security/notices/USN-5343-1
https://usn.ubuntu.com/4465-1/
https://usn.ubuntu.com/4483-1/
https://usn.ubuntu.com/4485-1/
https://usn.ubuntu.com/usn/usn-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-2020-12655
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.4/

Impacted products

6 products from 7 vendors

Vendors

Red Hat, Inc., Novell Inc., Fedora Project, Silicon Graphics Corp., АО «НППКТ», Сообщество свободного программного обеспечения

Products

Red Hat Enterprise Linux, OpenSUSE Leap, Fedora, XFS, ОСОН ОСнова Оnyx (запись в едином реестре российских программ №5913), Linux

Versions

7 (Red Hat Enterprise Linux), 8 (Red Hat Enterprise Linux), 15.1 (OpenSUSE Leap), 30 (Fedora), 31 (Fedora), 32 (Fedora), v5 (XFS), до 2.4 (ОСОН ОСнова Оnyx), от 5.5 до 5.7 (Linux), от 4.0 до 4.9.228 включительно (Linux), от 4.10 до 4.14.186 включительно (Linux), от 4.15 до 4.19.130 включительно (Linux), от 4.20 до 5.4.49 включительно (Linux)

Product types

Operating system, Application software

Platforms

Red Hat, Inc. Red Hat Enterprise Linux 7, Inc. Red Hat Enterprise Linux 8, Novell Inc. OpenSUSE Leap 15.1, Fedora Project Fedora 30, Fedora Project Fedora 31, Fedora Project Fedora 32, Сообщество свободного программного обеспечения Linux до 5.6.10 включительно

Mitigations

Использование рекомендаций: Для Linux: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62 https://git.kernel.org/linus/d0c7feaf87678371c2c09b3709400be416b2dc62 https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.187 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.131 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.50 Для Fedora: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/ Для программных продуктов Novell Inc.: http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html Для программных продуктов Red Hat Inc.: https://access.redhat.com/security/cve/cve-2020-12655 Для ОСОН Основа: Обновление программного обеспечения linux до версии 5.14.9-2.osnova179.1

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": "Red Hat, Inc., Novell Inc., Fedora Project, Silicon Graphics Corp., \u0410\u041e \u00ab\u041d\u041f\u041f\u041a\u0422\u00bb, \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",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "7 (Red Hat Enterprise Linux), 8 (Red Hat Enterprise Linux), 15.1 (OpenSUSE Leap), 30 (Fedora), 31 (Fedora), 32 (Fedora), v5 (XFS), \u0434\u043e 2.4 (\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx), \u043e\u0442 5.5 \u0434\u043e 5.7 (Linux), \u043e\u0442 4.0 \u0434\u043e 4.9.228 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.186 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.130 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.49 \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/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62\nhttps://git.kernel.org/linus/d0c7feaf87678371c2c09b3709400be416b2dc62\nhttps://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.187\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.131\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.50\n\n\u0414\u043b\u044f Fedora:\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/\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.:\nhttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html\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-2020-12655\n\n\u0414\u043b\u044f \u041e\u0421\u041e\u041d \u041e\u0441\u043d\u043e\u0432\u0430:\n\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 linux \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 5.14.9-2.osnova179.1",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "02.03.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "18.06.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "17.07.2020",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2020-03359",
  "\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-2020-12655",
  "\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, OpenSUSE Leap, Fedora, XFS, \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx (\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 \u21165913), 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 , Red Hat, Inc. Red Hat Enterprise Linux 8 , Novell Inc. OpenSUSE Leap 15.1 , Fedora Project Fedora 30 , Fedora Project Fedora 31 , Fedora Project Fedora 32 , \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 5.6.10 \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 xfs_agf_verify \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b XFS \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": "\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": "\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\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0440\u0430\u0441\u0445\u043e\u0434 \u0440\u0435\u0441\u0443\u0440\u0441\u0430 (\u00ab\u0418\u0441\u0442\u043e\u0449\u0435\u043d\u0438\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u0430\u00bb) (CWE-400), \u0412\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0446\u0438\u043a\u043b\u0430 \u0441 \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u0435\u043c \u0432\u044b\u0445\u043e\u0434\u0430 (\u0431\u0435\u0441\u043a\u043e\u043d\u0435\u0447\u043d\u044b\u0439 \u0446\u0438\u043a\u043b) (CWE-835)",
  "\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 xfs_agf_verify \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b XFS \u044f\u0434\u0440\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Linux \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u043e\u0439 \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 \u043f\u0443\u0442\u0435\u043c \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430 \u0441 \u043c\u0435\u0442\u0430\u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0438\u0437 \u0441\u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b XFS",
  "\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": "\u0417\u043b\u043e\u0443\u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u043e\u043c, \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/2020-06/msg00022.html\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12655\nhttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62\nhttps://git.kernel.org/linus/d0c7feaf87678371c2c09b3709400be416b2dc62\nhttps://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.187\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.131\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.229\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.50\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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/\nhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/\nhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/\nhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/\nhttps://lore.kernel.org/linux-xfs/20200221153803.GP9506%40magnolia/\nhttps://lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/\nhttps://security.netapp.com/advisory/ntap-20200608-0001/\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://ubuntu.com/security/notices/USN-5343-1\nhttps://usn.ubuntu.com/4465-1/\nhttps://usn.ubuntu.com/4483-1/\nhttps://usn.ubuntu.com/4485-1/\nhttps://usn.ubuntu.com/usn/usn-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-2020-12655\nhttps://\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430.\u043d\u043f\u043f\u043a\u0442.\u0440\u0444/bin/view/\u041e\u0421\u043d\u043e\u0432\u0430/\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f/2.4/",
  "\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-400, CWE-835",
  "\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-2020-12655 (GCVE-0-2020-12655)

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

Summary

An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

14 references

URL	Tags
https://lore.kernel.org/linux-xfs/20200221153803.…	x_refsource_MISC
https://github.com/torvalds/linux/commit/d0c7feaf…	x_refsource_MISC
https://git.kernel.org/cgit/linux/kernel/git/torv…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://security.netapp.com/advisory/ntap-2020060…	x_refsource_CONFIRM
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/4465-1/	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

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T12:04:22.557Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://lore.kernel.org/linux-xfs/20200221153803.GP9506%40magnolia/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62"
          },
          {
            "name": "FEDORA-2020-c6b9fff7f8",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/"
          },
          {
            "name": "FEDORA-2020-5a69decc0c",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/"
          },
          {
            "name": "FEDORA-2020-4336d63533",
            "tags": [
              "vendor-advisory",
              "x_refsource_FEDORA",
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20200608-0001/"
          },
          {
            "name": "openSUSE-SU-2020:0801",
            "tags": [
              "vendor-advisory",
              "x_refsource_SUSE",
              "x_transferred"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
          },
          {
            "name": "[debian-lts-announce] 20200812 [SECURITY] [DLA 2323-1] linux-4.19 new package",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html"
          },
          {
            "name": "USN-4465-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4465-1/"
          },
          {
            "name": "USN-4483-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4483-1/"
          },
          {
            "name": "USN-4485-1",
            "tags": [
              "vendor-advisory",
              "x_refsource_UBUNTU",
              "x_transferred"
            ],
            "url": "https://usn.ubuntu.com/4485-1/"
          },
          {
            "name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"
          },
          {
            "name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-10-31T17:06:21.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://lore.kernel.org/linux-xfs/20200221153803.GP9506%40magnolia/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62"
        },
        {
          "name": "FEDORA-2020-c6b9fff7f8",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/"
        },
        {
          "name": "FEDORA-2020-5a69decc0c",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/"
        },
        {
          "name": "FEDORA-2020-4336d63533",
          "tags": [
            "vendor-advisory",
            "x_refsource_FEDORA"
          ],
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://security.netapp.com/advisory/ntap-20200608-0001/"
        },
        {
          "name": "openSUSE-SU-2020:0801",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
        },
        {
          "name": "[debian-lts-announce] 20200812 [SECURITY] [DLA 2323-1] linux-4.19 new package",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html"
        },
        {
          "name": "USN-4465-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4465-1/"
        },
        {
          "name": "USN-4483-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4483-1/"
        },
        {
          "name": "USN-4485-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4485-1/"
        },
        {
          "name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"
        },
        {
          "name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2020-12655",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/",
              "refsource": "MISC",
              "url": "https://lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/"
            },
            {
              "name": "https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62",
              "refsource": "MISC",
              "url": "https://github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62"
            },
            {
              "name": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62",
              "refsource": "MISC",
              "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62"
            },
            {
              "name": "FEDORA-2020-c6b9fff7f8",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/"
            },
            {
              "name": "FEDORA-2020-5a69decc0c",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/"
            },
            {
              "name": "FEDORA-2020-4336d63533",
              "refsource": "FEDORA",
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ2X3TM6RGRUS3KZAS26IJO5XGU7TBBR/"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20200608-0001/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20200608-0001/"
            },
            {
              "name": "openSUSE-SU-2020:0801",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html"
            },
            {
              "name": "[debian-lts-announce] 20200812 [SECURITY] [DLA 2323-1] linux-4.19 new package",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html"
            },
            {
              "name": "USN-4465-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4465-1/"
            },
            {
              "name": "USN-4483-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4483-1/"
            },
            {
              "name": "USN-4485-1",
              "refsource": "UBUNTU",
              "url": "https://usn.ubuntu.com/4485-1/"
            },
            {
              "name": "[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html"
            },
            {
              "name": "[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update",
              "refsource": "MLIST",
              "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-12655",
    "datePublished": "2020-05-05T05:16:02.000Z",
    "dateReserved": "2020-05-05T00:00:00.000Z",
    "dateUpdated": "2024-08-04T12:04:22.557Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

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.

Action not permitted

BDU:2020-03359 (CVE-2020-12655)

CVE-2020-12655 (GCVE-0-2020-12655)

Tags

Sightings

Nomenclature

Related by attack behaviour