Red Hat Security Advisory 2021-2301-01 - The microcode_ctl packages provide microcode updates for Intel. Issues addressed include information leakage and privilege escalation vulnerabilities.
ebad9cdbc20fde20210d11834ade8c369747e30bd01a2eb7ad32d87c78250a15
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: microcode_ctl security, bug fix and enhancement update
Advisory ID: RHSA-2021:2301-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2301
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. 7.4) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.4) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.4) - 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. 7.4):
Source:
microcode_ctl-2.1-22.39.el7_4.src.rpm
x86_64:
microcode_ctl-2.1-22.39.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server E4S (v. 7.4):
Source:
microcode_ctl-2.1-22.39.el7_4.src.rpm
x86_64:
microcode_ctl-2.1-22.39.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.39.el7_4.x86_64.rpm
Red Hat Enterprise Linux Server TUS (v. 7.4):
Source:
microcode_ctl-2.1-22.39.el7_4.src.rpm
x86_64:
microcode_ctl-2.1-22.39.el7_4.x86_64.rpm
microcode_ctl-debuginfo-2.1-22.39.el7_4.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
iQIVAwUBYMAhZtzjgjWX9erEAQgacA/8CSb4gKvVxCL/UEvQ8fD+Fuk7bVgGXgdl
zfHALQmqxEvgcquECA1+0gVaALewsTbv0jYGt8ar3LXlNfdYvJyTZIkkTU7QPZX4
noIGXIk9Ljn6HDzNVq4+SzQGFhsy+eCyj0ksgLD1pYvSXZhMhIFoNs88qbn4vohF
NWbr/79PFDN5Z8OD6eZ62dQuU0EBgR2/zQGhqEp2A5AIGyCpoGkeMjQbcEr8MTYw
re11SdeDWdXudlgn6lCeVm1NB8/oaCRih7VTaNzHMTihyG2fS6Vfy9Tf1PcXXrZT
8r21wAISxES7QfMCxBB3jnlq+/3QYFG/dYLDZ8EDwa6ZCXyFRHirUQP6vrk9TG5k
xVPIFH/QUwcWFaquGbvtpllAgn1tcSohpzMzDPqLIFSO031A1Xdn6JaYaUi9unO7
wOUS5MMYTJtXjQJ/lBjMFFCEMzGZ1VY74wwdHmyoBW9eA6DnfjTHsnhTpWvLbuHw
fM0+/amC1YdZkMOmKWeSNkB0ESISQw6d7/pgT1px/ZyEktGtlnvOcybPpqVVFnnT
3llMAz6CW3UL59MvAvPk9dXKSeJBfsXVVQq21VVuNi/KHSE9tsYQnBgiVizDbrru
npkQK4e+JU/GxTuioDK4/QrC89S9ZTvHcfiTFhpDt8DNxJdkmjjNi87m1UWfS1rL
3CqP9OqPU7Q=cruI
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce