MGASA-2020-0422 - Updated microcode package fixes security vulnerabilities

Publication date: 13 Nov 2020
URL: https://advisories.mageia.org/MGASA-2020-0422.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-8694,
     CVE-2020-8695,
     CVE-2020-8696,
     CVE-2020-8698

Insufficient access control in the Linux kernel driver for some Intel(R)
Processors may allow an authenticated user to potentially enable information
disclosure via local access. (CVE-2020-8694)

Observable discrepancy in the RAPL interface for some Intel(R) Processors may
allow a privileged user to potentially enable information disclosure via local
access. (CVE-2020-8695)

Improper removal of sensitive information before storage or transfer in some
Intel(R) Processors may allow an authenticated user to potentially enable
information disclosure via local access. (CVE-2020-8696)

Improper isolation of shared resources in some Intel(R) Processors may allow
an authenticated user to potentially enable information disclosure via local
access. (CVE-2020-8698)

References:
- https://bugs.mageia.org/show_bug.cgi?id=27597
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html
- https://access.redhat.com/errata/RHSA-2020:5085
- https://bugs.mageia.org/show_bug.cgi?id=26995
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8694
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8695
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8696
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8698

SRPMS:
- 7/nonfree/microcode-0.20201110-1.mga7.nonfree

Mageia 2020-0422: microcode security update

Insufficient access control in the Linux kernel driver for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access

Summary

Insufficient access control in the Linux kernel driver for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-8694)
Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access. (CVE-2020-8695)
Improper removal of sensitive information before storage or transfer in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-8696)
Improper isolation of shared resources in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. (CVE-2020-8698)

References

- https://bugs.mageia.org/show_bug.cgi?id=27597

- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00389.html

- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00381.html

- https://access.redhat.com/errata/RHSA-2020:5085

- https://bugs.mageia.org/show_bug.cgi?id=26995

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8694

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8695

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8696

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8698

Resolution

MGASA-2020-0422 - Updated microcode package fixes security vulnerabilities

SRPMS

- 7/nonfree/microcode-0.20201110-1.mga7.nonfree

Severity
Publication date: 13 Nov 2020
URL: https://advisories.mageia.org/MGASA-2020-0422.html
Type: security
CVE: CVE-2020-8694, CVE-2020-8695, CVE-2020-8696, CVE-2020-8698

Related News

23.Tablet Connections Esm H320
2 - 3 min read
The release of Ubuntu 24.04 LTS , also known as Noble Numbat, brings various security enhancements and exciting new features . These improvements
4.Lock AbstractDigital Esm H320
2 - 3 min read
Tails 6.2 is a new Linux distribution release that expands its multilingual support and improves security features. The distribution is a
19.Laptop Bed Esm H320
2 - 3 min read
AlmaLinux 9.4 beta has been released and provides compelling reasons to consider it for desktop usage. While AlmaLinux is primarily known as a
32.Lock Code Circular Esm H320
2 - 3 min read
Linux admins and security practitioners face significant challenges in keeping their Linux systems secure amidst the constant threat of kernel bugs.
1.Penguin Landscape Esm H320
2 - 3 min read
A significant security threat, known as the Spectre v2 exploit, has been observed targeting Linux systems running on modern Intel processors. Let's
10.FingerPrint Locks Esm H320
2 - 3 min read
The recent release of I2P 2.5.0 , an anonymous P2P network that protects against online censorship, surveillance, and monitoring, has brought a slew
24.Key Code Esm H320
2 - 3 min read
The Akira ransomware group has extorted approximately $42 million from over 250 victims since January 1, 2024. The group initially focused on
5.ShakingHands Esm H320
2 - 3 min read
At The Linux Foundation's Open Source Summit North America , Linus Torvalds, the creator of Linux, discussed various topics related to Linux
Sign Up

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved