-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Important: microcode_ctl security, bug fix and enhancement update
Advisory ID:       RHSA-2021:2307-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2307
Issue date:        2021-06-08
CVE Names:         CVE-2020-24489 CVE-2020-24511 CVE-2020-24512 
                   CVE-2020-24513 
====================================================================
1. Summary:

An update for microcode_ctl is now available for Red Hat Enterprise Linux
8.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - x86_64

3. Description:

The microcode_ctl packages provide microcode updates for Intel.

Security Fix(es):

* hw: vt-d related privilege escalation (CVE-2020-24489)

* hw: improper isolation of shared resources in some Intel Processors(CVE-2020-24511)

* hw: observable timing discrepancy in some Intel Processors(CVE-2020-24512)

* hw: information disclosure on some Intel Atom processors (CVE-2020-24513)

Bug Fix(es) and Enhancement(s):

* Update Intel CPU microcode to microcode-20210525 release

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1962650 - CVE-2020-24489 hw: vt-d related privilege escalation
1962666 - CVE-2020-24513 hw: information disclosure on some Intel Atom processors1962702 - CVE-2020-24511 hw: improper isolation of shared resources in some Intel Processors1962722 - CVE-2020-24512 hw: observable timing discrepancy in some Intel Processors
6. Package List:

Red Hat Enterprise Linux BaseOS EUS (v. 8.2):

Source:
microcode_ctl-20191115-4.20210525.1.el8_2.src.rpm

x86_64:
microcode_ctl-20191115-4.20210525.1.el8_2.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-24489
https://access.redhat.com/security/cve/CVE-2020-24511
https://access.redhat.com/security/cve/CVE-2020-24512
https://access.redhat.com/security/cve/CVE-2020-24513
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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q9Om
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce