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