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AUSCERT External Security Bulletin Redistribution
ESB-2021.2705
Intel Ethernet Linux Driver Advisory
11 August 2021
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AusCERT Security Bulletin Summary
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Product: Intel Ethernet Linux Driver
Publisher: Intel
Operating System: Linux variants
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-0084 CVE-2021-0003 CVE-2021-0002
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00515.html
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Intel ID: INTEL-SA-00515
Advisory Category: Software
Impact of Escalation of Privilege, Denial of Service, Information
vulnerability : Disclosure
Severity rating : HIGH
Original release: 08/10/2021
Last revised: 08/10/2021
Summary:
Potential security vulnerabilities in some Intel Ethernet Controllers X722 and
800 series Linux drivers may allow denial of service, escalation of privilege
or information disclosure. Intel is releasing software driver updates to
mitigate these potential vulnerabilities.
Vulnerability Details:
CVEID: CVE-2021-0084
Description: Improper input validation in the Intel(R) Ethernet Controllers
X722 and 800 series Linux RMDA driver before version 1.3.19 may allow an
authenticated user to potentially enable escalation of privilege via local
access.
CVSS Base Score: 8.8 High
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVEID: CVE-2021-0002
Description: Improper conditions check in some Intel(R) Ethernet Controllers
800 series Linux drivers before version 1.4.11 may allow an authenticated user
to potentially enable information disclosure or denial of service via local
access.
CVSS Base Score: 4.4 Medium
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CVEID: CVE-2021-0003
Description: Improper conditions check in some Intel(R) Ethernet Controllers
800 series Linux drivers before version 1.4.11 may allow an authenticated user
to potentially enable information disclosure via local access.
CVSS Base Score: 3.8 Low
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Affected Products:
Intel Ethernet Controllers X722 and 800 series before Linux RMDA driver version
1.3.19.
Intel Ethernet Controllers 800 series Linux driver before version 1.4.11.
Recommendations:
Intel recommends updating Intel Ethernet Controllers X722 and 800 series
drivers to the latest versions.
Updates are available for download at this location: https://
downloadcenter.intel.com/product/36773/Ethernet-ProductsAcknowledgements :
Acknowledgements:
CVE-2021-0084 was found externally. CVE-2021-0002 and CVE-2021-0003 were found
internally by Intel employees.
Intel, and nearly the entire technology industry, follows a disclosure practice
called Coordinated Disclosure, under which a cybersecurity vulnerability is
generally publicly disclosed only after mitigations are available.
Revision History
Revision Date Description
1.0 08/10/2021 Initial Release
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