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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2945 microcode_ctl security, bug fix and enhancement update 1 September 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: microcode_ctl Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Existing Account Increased Privileges -- Existing Account Access Confidential Data -- Existing Account Reduced Security -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-24512 CVE-2020-24511 CVE-2020-24489 CVE-2020-8698 CVE-2020-8696 CVE-2020-8695 CVE-2020-0549 CVE-2020-0548 CVE-2020-0543 Reference: ESB-2021.2940 ESB-2021.2797 ESB-2021.2537 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:3364 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: microcode_ctl security, bug fix and enhancement update Advisory ID: RHSA-2021:3364-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3364 Issue date: 2021-08-31 CVE Names: CVE-2020-0543 CVE-2020-0548 CVE-2020-0549 CVE-2020-8695 CVE-2020-8696 CVE-2020-8698 CVE-2020-24489 CVE-2020-24511 CVE-2020-24512 ===================================================================== 1. Summary: An update for microcode_ctl is now available for Red Hat Enterprise Linux 8.2 Extended User Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 BaseOS EUS (v. 8.2) - x86_64 3. Description: The microcode_ctl packages provide microcode updates for Intel. Security Fix(es): * hw: Vector Register Data Sampling (CVE-2020-0548) * hw: L1D Cache Eviction Sampling (CVE-2020-0549) * hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543) * hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695) * hw: Vector Register Leakage-Active (CVE-2020-8696) * hw: Fast forward store predictor (CVE-2020-8698) * 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) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 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/): 1788786 - CVE-2020-0548 hw: Vector Register Data Sampling 1788788 - CVE-2020-0549 hw: L1D Cache Eviction Sampling 1827165 - CVE-2020-0543 hw: Special Register Buffer Data Sampling (SRBDS) 1828583 - CVE-2020-8695 hw: Information disclosure issue in Intel SGX via RAPL interface 1890355 - CVE-2020-8696 hw: Vector Register Leakage-Active 1890356 - CVE-2020-8698 hw: Fast forward store predictor 1962650 - CVE-2020-24489 hw: vt-d related privilege escalation 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 1972326 - [rhel-8.2.0.z] Re-enable 06-5e-03 (SKL-H/S, CPUID 0x506e3) latest microcode updates 1972329 - [rhel-8.2.0.z] Re-enable 06-8c-01 (TGL-UP3/UP4, CPUID 0x806c1) latest microcode updates 6. Package List: Red Hat Enterprise Linux BaseOS EUS (v. 8.2): Source: microcode_ctl-20191115-4.20210608.1.el8_2.src.rpm x86_64: microcode_ctl-20191115-4.20210608.1.el8_2.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-2020-0543 https://access.redhat.com/security/cve/CVE-2020-0548 https://access.redhat.com/security/cve/CVE-2020-0549 https://access.redhat.com/security/cve/CVE-2020-8695 https://access.redhat.com/security/cve/CVE-2020-8696 https://access.redhat.com/security/cve/CVE-2020-8698 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/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 iQIVAwUBYS3099zjgjWX9erEAQjjvw/+L3GJMIpGd1Qi2RD+heCBcNfI8T+oaLoO Uq1f9UZovu64Ia/dk7lmSxORjM/49JCqQTjXFLTTNIcEvgGXpdigndVxwm9wes76 j5uBZrrn+yKIOtvyw3e32ZN8+Aya7WTko0NV/T8BLBR1JUoRQT6ioA0pwb9CaGvw JgvitjTWrb+TsehDDl/l4r3Oi0z4C0s5n1/tAU4bPJq9RNwZkMTypYyKeh+Az21p GjRWTokq7uWsEJteza5rGpZSLKLl4B1V0WSlrDMK+8xcSFf6Uv7UolmgbLt3AhZq etnDiWzG3utg/x2AdbuhHByLSFRcf4CabrggYZjyzqFxY27bxuSGxGNiuN/Yd4W9 TQbRRJ5cZLeurg7n28WQBIKr0m4Uu394BLwq2+9hEQ0/KZ7uNWJcheaAvKc5Tl7l 0tsjbOzer/EoN737J9mrv4DkEotQ9FUjljmOdvkpoA38U/9dtuaTRoWFq5C8aRgp VZCDUikablQtIr+zMFe4L57RnjWHFUpG6IGiazhpWWOAEHjWQ/hd/EjVZIrvVTz9 EP48+92zJgRQ+BJYoTA5i1DlfNwMW6c9vGLfHddTwz4PQDwTBmzAJeQ8OPVA4ql/ CHD+TcTTCjj5+Dlh8y7BbaGhrCO4309Ro60fnU1nz/BAoUiJXsdW+3qmBeg1PKnb g+OnAHbRcOs= =4lxm - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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