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SUSE: 2021:14758-1 Important: Microcode_ctl Threat Mitigation

suse
Calendar Grey June 28, 2021
Scroller Suse
A release tackling numerous vital concerns related to microcode_ctl has just been launched within SUSE distributions.
An update that fixes four vulnerabilities is now available

Summary

This update for microcode_ctl fixes the following issues: Updated to Intel CPU Microcode 20210525 release: - CVE-2020-24513: A domain bypass transient execution vulnerability was discovered on some Intel Atom processors that use a micro-architectural incident channel. (bsc#1179833) - CVE-2020-24511: The IBRS feature to mitigate Spectre variant 2 transient execution side channel vulnerabilities may not fully prevent non-root (guest) branches from controlling the branch predictions of the root (host) (bsc#1179836) - CVE-2020-24512: Fixed trivial data value cache-lines such as all-zero value cache-lines may lead to changes in cache-allocation or write-back behavior for such cache-lines (bsc#1179837) - CVE-2020-24489: Fixed Intel VT-d device pass through potential local

Topics%20covered

Topics Covered

security advisory important SUSE Linux threat fix microcode_ctl transient execution

References

#1179833 #1179836 #1179837 #1179839

Cross- CVE-2020-24489 CVE-2020-24511 CVE-2020-24512

CVE-2020-24513

CVSS scores:

CVE-2020-24489 (SUSE): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVE-2020-24511 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

CVE-2020-24512 (SUSE): 2.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

CVE-2020-24513 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected Products:

SUSE Linux Enterprise Server 11-SP4-LTSS

SUSE Linux Enterprise Point of Sale 11-SP3

https://www.suse.com/security/cve/CVE-2020-24489.html

https://www.suse.com/security/cve/CVE-2020-24511.html

https://www.suse.com/security/cve/CVE-2020-24512.html

https://www.suse.com/security/cve/CVE-2020-24513.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:14758-1
Rating: important

Topics%20covered

Topics Covered

security advisory important SUSE Linux threat fix microcode_ctl transient execution

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