Red Hat Security Advisory 2021-2302-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
b2acdd0604b86d0d19d7dafcf2bc473f09b1e49ddc5c3d5db6c79e857aa6cd93
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: microcode_ctl security, bug fix and enhancement update
Advisory ID: RHSA-2021:2302-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2302
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
7.
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 Server AUS (v. 7.3) - 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 processors
1962702 - CVE-2020-24511 hw: improper isolation of shared resources in some Intel Processors
1962722 - CVE-2020-24512 hw: observable timing discrepancy in some Intel Processors
6. Package List:
Red Hat Enterprise Linux Server AUS (v. 7.3):
Source:
microcode_ctl-2.1-16.40.el7_3.src.rpm
x86_64:
microcode_ctl-2.1-16.40.el7_3.x86_64.rpm
microcode_ctl-debuginfo-2.1-16.40.el7_3.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 <secalert@redhat.com>. 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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=PJDT
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce