- Vulnerability/
- RHSA-2021:3317
RHSA-2021:3317: Important: microcode_ctl security, bug fix and enhancement update
First published: Tue Aug 31 2021(Updated: )
<li> hw: Vector Register Data Sampling (CVE-2020-0548)</li> <li> hw: L1D Cache Eviction Sampling (CVE-2020-0549)</li> <li> hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)</li> <li> hw: Information disclosure issue in Intel SGX via RAPL interface</li> (CVE-2020-8695)<br><li> hw: Vector Register Leakage-Active (CVE-2020-8696)</li> <li> hw: Fast forward store predictor (CVE-2020-8698)</li> <li> hw: vt-d related privilege escalation (CVE-2020-24489)</li> <li> hw: improper isolation of shared resources in some Intel Processors</li> (CVE-2020-24511)<br><li> hw: observable timing discrepancy in some Intel Processors</li> (CVE-2020-24512)<br>For more details about the security issue(s), including the impact, a CVSS<br>score, acknowledgments, and other related information, refer to the CVE<br>page(s) listed in the References section.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microcode |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1788786
- https://bugzilla.redhat.com/show_bug.cgi?id=1788788
- https://bugzilla.redhat.com/show_bug.cgi?id=1827165
- https://bugzilla.redhat.com/show_bug.cgi?id=1828583
- https://bugzilla.redhat.com/show_bug.cgi?id=1890355
- https://bugzilla.redhat.com/show_bug.cgi?id=1890356
- https://bugzilla.redhat.com/show_bug.cgi?id=1962650
- https://bugzilla.redhat.com/show_bug.cgi?id=1962702
- https://bugzilla.redhat.com/show_bug.cgi?id=1962722
- https://bugzilla.redhat.com/show_bug.cgi?id=1972333
- https://access.redhat.com/security/updates/classification/#important
- https://access.redhat.com/errata/RHSA-2021:3317 (Advisory)
Frequently Asked Questions
What is the severity of RHSA-2021:3317?
RHSA-2021:3317 is classified as a security vulnerability with potential for information disclosure.
How do I fix RHSA-2021:3317?
To fix RHSA-2021:3317, you should apply the latest security patches provided by your operating system vendor.
What types of vulnerabilities are included in RHSA-2021:3317?
RHSA-2021:3317 includes vulnerabilities related to vector register data sampling, L1D cache eviction sampling, and special register buffer data sampling.
Who is affected by RHSA-2021:3317?
Systems utilizing affected Intel processors may be impacted by RHSA-2021:3317.
Are there any mitigations available for RHSA-2021:3317?
Yes, users should enable relevant security features and keep their systems up to date to mitigate the risks associated with RHSA-2021:3317.
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