Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.1998
2021.1 IPU - Intel VT-d Advisory
9 June 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Intel Core Processors
Intel Pentium Processors
Intel Celeron Processors
Intel Atom Processors
Publisher: Intel
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-24489
Original Bulletin:
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00442.html
- --------------------------BEGIN INCLUDED TEXT--------------------
Intel ID: INTEL-SA-00442
Advisory Category: Hardware
Impact of vulnerability : Escalation of Privilege
Severity rating : HIGH
Original release: 06/08/2021
Last revised: 06/08/2021
Summary:
A potential security vulnerability in some Intel Virtualization Technology for
Directed I/0 (VT-d) products may allow escalation of privilege. Intel is
releasing firmware updates to mitigate this potential vulnerability.
Vulnerability Details:
CVEID: CVE-2021-24489
Description: Incomplete cleanup in some Intel(R) VT-d products 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
Affected Products:
10th Generation Intel Core Processors
11th Generation Intel Core Processors
Intel Pentium Processor J Series
Intel Pentium Processor N Series Intel Celeron Processor J Series
Intel Celeron Processor N Series Intel Atom Processor
A Series Intel Atom Processor E3900 Series
Intel Pentium Processor N Series
Intel Celeron Processor N Series
Intel Atom Processor E3900 Series
Intel Pentium Processor Silver Series/ J&N Series
Intel Pentium Processor Silver Series/ J&N - Refresh
Intel Core Processors with Intel Hybrid Technology
Recommendations:
Intel recommends that users of Intel VT-d update to the latest version provided
by the system manufacturer that addresses these issues.
Acknowledgements:
These issues 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 06/08/2021 Initial Release
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=e2yO
-----END PGP SIGNATURE-----