Vulnerability-Lookup

BDU:2021-01044 (CVE-2020-27835)

Vulnerability from fstec – Published: 2021-03-02 – Updated: 2024-06-05 – View on bdu.fstec.ru Fixed

Title

Уязвимость драйвера infiniband hfi1 ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Summary

Уязвимость драйвера infiniband hfi1 ядра операционной системы Linux связана с использованием памяти после её освобождения. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании, после открытия файлов dev и fork

Severity

4.9 (Medium) CVSS 2.0


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

4.4 (Medium) CVSS 3.0


                      
                        CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/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-2020-27835

References

11 references

URL
https://bugzilla.redhat.com/show_bug.cgi?id=1901709
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27835
https://git.kernel.org/linus/3d2a9d642512c21a12d19b9250e7a835dcb41a79
https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.12
https://nvd.nist.gov/vuln/detail/CVE-2020-27835
https://ubuntu.com/security/notices/USN-4751-1
https://usn.ubuntu.com/usn/usn-4751-1
https://www.cve.org/CVERecord?id=CVE-2020-27835
https://www.suse.com/security/cve/CVE-2020-27835.html
https://www.suse.com/security/cve/CVE-2020-27835/
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.4/

Impacted products

5 products from 3 vendors

Vendors

Novell Inc., АО «НППКТ», Сообщество свободного программного обеспечения

Products

SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, OpenSUSE Leap, ОСОН ОСнова Оnyx (запись в едином реестре российских программ №5913), Linux

Versions

12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 15 (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (Suse Linux Enterprise Server), 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 SP3-ESPOS (Suse Linux Enterprise Server), 12 SP3-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 15-LTSS (Suse Linux Enterprise Server), 15.2 (OpenSUSE Leap), 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), 12 SP4-LTSS (Suse Linux Enterprise Server), 15 SP1-BCL (Suse Linux Enterprise Server), 15 SP1-LTSS (Suse Linux Enterprise Server), до 2.4 (ОСОН ОСнова Оnyx), от 4.8 до 5.9.11 включительно (Linux)

Product types

Operating system

Platforms

Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15, Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP1, 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, 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, Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL, Novell Inc. Suse Linux Enterprise Server 15 SP1-LTSS, Сообщество свободного программного обеспечения Linux до 5.10 rc6

Mitigations

Использование рекомендаций: Для Linux: https://git.kernel.org/linus/3d2a9d642512c21a12d19b9250e7a835dcb41a79 https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.12 Для программных продуктов Novell Inc.: https://www.suse.com/security/cve/CVE-2020-27835/ 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:N/C:N/I:N/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:H/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": "Novell Inc., \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": "12 SP3 (SUSE Linux Enterprise Server for SAP Applications), 12 SP4 (SUSE Linux Enterprise Server for SAP Applications), 15 (SUSE Linux Enterprise Server for SAP Applications), 15 SP1 (SUSE Linux Enterprise Server for SAP Applications), 12 SP3-LTSS (Suse Linux Enterprise Server), 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 SP3-ESPOS (Suse Linux Enterprise Server), 12 SP3-ESPOS (SUSE Linux Enterprise Server for SAP Applications), 15-LTSS (Suse Linux Enterprise Server), 15.2 (OpenSUSE Leap), 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), 12 SP4-LTSS (Suse Linux Enterprise Server), 15 SP1-BCL (Suse Linux Enterprise Server), 15 SP1-LTSS (Suse Linux Enterprise Server), \u0434\u043e 2.4 (\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx), \u043e\u0442 4.8 \u0434\u043e 5.9.11 \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/linus/3d2a9d642512c21a12d19b9250e7a835dcb41a79\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.12\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-2020-27835/\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": "25.11.2020",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "05.06.2024",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "02.03.2021",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2021-01044",
  "\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-2020-27835",
  "\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": "SUSE Linux Enterprise Server for SAP Applications, Suse Linux Enterprise Server, OpenSUSE Leap, \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": "Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP3 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 12 SP4 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 , Novell Inc. SUSE Linux Enterprise Server for SAP Applications 15 SP1 , 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 , 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 , Novell Inc. Suse Linux Enterprise Server 15 SP1-BCL , Novell Inc. Suse Linux Enterprise Server 15 SP1-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 \u0434\u043e 5.10 rc6 ",
  "\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 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 infiniband hfi1 \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 \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": "\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 \u0434\u0440\u0430\u0439\u0432\u0435\u0440\u0430 infiniband hfi1 \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\u0451 \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 \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\u043e\u0441\u043b\u0435 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u044f \u0444\u0430\u0439\u043b\u043e\u0432 dev \u0438 fork",
  "\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": "https://bugzilla.redhat.com/show_bug.cgi?id=1901709\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27835\nhttps://git.kernel.org/linus/3d2a9d642512c21a12d19b9250e7a835dcb41a79\nhttps://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.12\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27835\nhttps://ubuntu.com/security/notices/USN-4751-1\nhttps://usn.ubuntu.com/usn/usn-4751-1\nhttps://www.cve.org/CVERecord?id=CVE-2020-27835\nhttps://www.suse.com/security/cve/CVE-2020-27835.html\nhttps://www.suse.com/security/cve/CVE-2020-27835/\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",
  "\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 4,9)\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-2020-27835 (GCVE-0-2020-27835)

Vulnerability from cvelistv5 – Published: 2021-01-07 17:24 – Updated: 2024-08-04 16:25

Summary

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.

Severity

No CVSS data available.

CWE

CWE-416

Assigner

redhat redhat root

References

1 reference

URL	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1901709	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	kernel	Affected: kernel versions prior to 5.10-rc6

Show details on NVD website

JSON

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.

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.

Action not permitted

BDU:2021-01044 (CVE-2020-27835)

CVE-2020-27835 (GCVE-0-2020-27835)

Tags

Sightings

Nomenclature

Related by attack behaviour