Vulnerability-Lookup

BDU:2021-01200 (CVE-2020-11494)

Vulnerability from fstec – Published: 2021-03-11 – Updated: 2024-05-31 – View on bdu.fstec.ru Fixed

Title

Уязвимость функции slc_bump (drivers/net/can/slcan.c) ядра операционной системы Linux, позволяющая нарушителю получить несанкционированный доступ к защищаемой информации

Summary

Уязвимость функции slc_bump (drivers/net/can/slcan.c) ядра операционной системы Linux связана с раскрытием информации. Эксплуатация уязвимости может позволить нарушителю получить несанкционированный доступ к защищаемой информации

Severity

4.6 (Medium) CVSS 2.0


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

4.4 (Medium) CVSS 3.0


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

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Information gathering

Incidents

Being clarified

Remediation

Software update

CWE

CWE-200 - Раскрытие информации
CWE-908 - Использование неинициализированного ресурса
CWE-909 - Отсутствие инициализации ресурса

Aliases

CVE-2020-11494

References

35 references

URL
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-L…
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11494
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32…
https://github.com/richiejp/ltp/blob/pty-slcan/testcases/kernel/pty/pty04.c
https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.176
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.115
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.219
https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.219
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.32
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.17
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.4
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html
https://lore.kernel.org/netdev/20200401100639.20199-1-rpalethorpe@suse.com/
https://security.netapp.com/advisory/ntap-20200430-0004/
https://ubuntu.com/security/notices/USN-4363-1
https://ubuntu.com/security/notices/USN-4364-1
https://ubuntu.com/security/notices/USN-4368-1
https://ubuntu.com/security/notices/USN-4369-1
https://usn.ubuntu.com/4363-1/
https://usn.ubuntu.com/4364-1/
https://usn.ubuntu.com/4368-1/
https://usn.ubuntu.com/4369-1/
https://usn.ubuntu.com/lsn/0067-1/
https://usn.ubuntu.com/usn/usn-4363-1
https://usn.ubuntu.com/usn/usn-4364-1
https://usn.ubuntu.com/usn/usn-4368-1
https://usn.ubuntu.com/usn/usn-4369-1
https://www.cve.org/CVERecord?id=CVE-2020-11494
https://www.debian.org/security/2020/dsa-4698
https://www.suse.com/support/update/announcement/2020/suse-su-20201142-1/

Impacted products

4 products from 3 vendors

Vendors

Canonical Ltd., Сообщество свободного программного обеспечения, Novell Inc.

Products

Ubuntu, Debian GNU/Linux, OpenSUSE Leap, Linux

Versions

16.04 LTS (Ubuntu), 9 (Debian GNU/Linux), 18.04 LTS (Ubuntu), 15.1 (OpenSUSE Leap), 14.04 ESM (Ubuntu), 8 (Debian GNU/Linux), 19.10 (Ubuntu), от 4.0 до 4.4.218 включительно (Linux), от 4.5 до 4.9.218 включительно (Linux), от 4.10 до 4.14.175 включительно (Linux), от 4.15 до 4.19.114 включительно (Linux), от 4.20 до 5.4.31 включительно (Linux), от 5.5.0 до 5.5.16 включительно (Linux), от 5.6.0 до 5.6.3 включительно (Linux)

Product types

Operating system

Platforms

Canonical Ltd. Ubuntu 16.04 LTS, Сообщество свободного программного обеспечения Debian GNU/Linux 9, Canonical Ltd. Ubuntu 18.04 LTS, Novell Inc. OpenSUSE Leap 15.1, Canonical Ltd. Ubuntu 14.04 ESM, Сообщество свободного программного обеспечения Debian GNU/Linux 8, Canonical Ltd. Ubuntu 19.10, Сообщество свободного программного обеспечения Linux до 5.6.2 включительно

Mitigations

Использование рекомендаций: Для Linux: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 https://github.com/richiejp/ltp/blob/pty-slcan/testcases/kernel/pty/pty04.c https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.176 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.115 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.219 https://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.219 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.32 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.17 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.4 Для Debian GNU/Linux: https://www.debian.org/security/2020/dsa-4698 https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Для программных продуктов Novell Inc.: https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html Для Ubuntu: https://usn.ubuntu.com/4363-1/ https://usn.ubuntu.com/4364-1/ https://usn.ubuntu.com/4368-1/ https://usn.ubuntu.com/4369-1/

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:S/C:C/I:N/A:N",
  "CVSS 3.0": "AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
  "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": "Canonical Ltd., \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": "16.04 LTS (Ubuntu), 9 (Debian GNU/Linux), 18.04 LTS (Ubuntu), 15.1 (OpenSUSE Leap), 14.04 ESM (Ubuntu), 8 (Debian GNU/Linux), 19.10 (Ubuntu), \u043e\u0442 4.0 \u0434\u043e 4.4.218 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.5 \u0434\u043e 4.9.218 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.10 \u0434\u043e 4.14.175 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.15 \u0434\u043e 4.19.114 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 4.20 \u0434\u043e 5.4.31 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.5.0 \u0434\u043e 5.5.16 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Linux), \u043e\u0442 5.6.0 \u0434\u043e 5.6.3 \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/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28\nhttps://github.com/richiejp/ltp/blob/pty-slcan/testcases/kernel/pty/pty04.c\nhttps://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.176\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.115\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.219\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.219\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.32\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.17\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.4\n\n\u0414\u043b\u044f Debian GNU/Linux:\nhttps://www.debian.org/security/2020/dsa-4698\nhttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html\nhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html\nhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.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 Novell Inc.:\nhttps://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html\n\n\u0414\u043b\u044f Ubuntu:\nhttps://usn.ubuntu.com/4363-1/\nhttps://usn.ubuntu.com/4364-1/\nhttps://usn.ubuntu.com/4368-1/\nhttps://usn.ubuntu.com/4369-1/",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "01.04.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "31.05.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "11.03.2021",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2021-01200",
  "\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-2020-11494",
  "\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": "Ubuntu, Debian GNU/Linux, OpenSUSE Leap, 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": "Canonical Ltd. Ubuntu 16.04 LTS , \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 , Canonical Ltd. Ubuntu 18.04 LTS , Novell Inc. OpenSUSE Leap 15.1 , Canonical Ltd. Ubuntu 14.04 ESM , \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 , Canonical Ltd. Ubuntu 19.10 , \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 5.6.2 \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 slc_bump (drivers/net/can/slcan.c) \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\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\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": "\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 (CWE-200), \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0435\u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u0441\u0443\u0440\u0441\u0430 (CWE-908), \u041e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0435\u0441\u0443\u0440\u0441\u0430 (CWE-909)",
  "\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 slc_bump (drivers/net/can/slcan.c) \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 \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u0435\u043c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \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\u043b\u0443\u0447\u0438\u0442\u044c \u043d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\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": "\u041d\u0435\u0441\u0430\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0441\u0431\u043e\u0440 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\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/2020-04/msg00035.html\nhttp://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11494\nhttps://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28\nhttps://github.com/richiejp/ltp/blob/pty-slcan/testcases/kernel/pty/pty04.c\nhttps://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.176\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.115\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.219\nhttps://kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.219\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.32\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.17\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.4\nhttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html\nhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html\nhttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.html\nhttps://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html\nhttps://lore.kernel.org/netdev/20200401100639.20199-1-rpalethorpe@suse.com/\nhttps://security.netapp.com/advisory/ntap-20200430-0004/\nhttps://ubuntu.com/security/notices/USN-4363-1\nhttps://ubuntu.com/security/notices/USN-4364-1\nhttps://ubuntu.com/security/notices/USN-4368-1\nhttps://ubuntu.com/security/notices/USN-4369-1\nhttps://usn.ubuntu.com/4363-1/\nhttps://usn.ubuntu.com/4364-1/\nhttps://usn.ubuntu.com/4368-1/\nhttps://usn.ubuntu.com/4369-1/\nhttps://usn.ubuntu.com/lsn/0067-1/\nhttps://usn.ubuntu.com/usn/usn-4363-1\nhttps://usn.ubuntu.com/usn/usn-4364-1\nhttps://usn.ubuntu.com/usn/usn-4368-1\nhttps://usn.ubuntu.com/usn/usn-4369-1\nhttps://www.cve.org/CVERecord?id=CVE-2020-11494\nhttps://www.debian.org/security/2020/dsa-4698\nhttps://www.suse.com/support/update/announcement/2020/suse-su-20201142-1/",
  "\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",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-200, CWE-908, CWE-909",
  "\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 4,4)"
}

CVE-2020-11494 (GCVE-0-2020-11494)

Vulnerability from cvelistv5 – Published: 2020-04-02 20:14 – Updated: 2024-08-04 11:35

Summary

An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

13 references

URL	Tags
https://github.com/torvalds/linux/commit/b9258a2c…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://security.netapp.com/advisory/ntap-2020043…	x_refsource_CONFIRM
https://usn.ubuntu.com/4364-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4368-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4363-1/	vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4369-1/	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://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST
https://www.debian.org/security/2020/dsa-4698	vendor-advisoryx_refsource_DEBIAN
http://packetstormsecurity.com/files/159565/Kerne…	x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC

Show details on NVD website

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To clipboard

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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.

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:2021-01200 (CVE-2020-11494)

CVE-2020-11494 (GCVE-0-2020-11494)

Tags

Sightings

Nomenclature

Related by attack behaviour