-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: linux-firmware security update Advisory ID: RHSA-2018:0053-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:0053 Issue date: 2018-01-05 ===================================================================== 1. Summary: An update for linux-firmware is now available for Red Hat Enterprise Linux 7.2 Advanced Update Support, Red Hat Enterprise Linux 7.2 Telco Extended Update Support, and Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. 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 Server AUS (v. 7.2) - noarch Red Hat Enterprise Linux Server E4S (v. 7.2) - noarch Red Hat Enterprise Linux Server TUS (v. 7.2) - noarch 3. Description: The linux-firmware packages contain all of the firmware files that are required by various devices to operate. Security Fix(es): * An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions (a commonly used performance optimization). There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Variant CVE-2017-5715 triggers the speculative execution by utilizing branch target injection. It relies on the presence of a precisely-defined instruction sequence in the privileged code as well as the fact that memory accesses may cause allocation into the microprocessor's data cache even for speculatively executed instructions that never actually commit (retire). As a result, an unprivileged attacker could use this flaw to cross the syscall and guest/host boundaries and read privileged memory by conducting targeted cache side-channel attacks. (CVE-2017-5715) Note: This is the microcode counterpart of the CVE-2017-5715 kernel mitigation. Red Hat would like to thank Google Project Zero for reporting this issue. 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection 6. Package List: Red Hat Enterprise Linux Server AUS (v. 7.2): Source: linux-firmware-20150904-44.git6ebf5d5.el7_2.src.rpm noarch: iwl100-firmware-39.31.5.1-44.el7_2.noarch.rpm iwl1000-firmware-39.31.5.1-44.el7_2.noarch.rpm iwl105-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl135-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl2000-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl2030-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl3160-firmware-22.0.7.0-44.el7_2.noarch.rpm iwl3945-firmware-15.32.2.9-44.el7_2.noarch.rpm iwl4965-firmware-228.61.2.24-44.el7_2.noarch.rpm iwl5000-firmware-8.83.5.1_1-44.el7_2.noarch.rpm iwl5150-firmware-8.24.2.2-44.el7_2.noarch.rpm iwl6000-firmware-9.221.4.1-44.el7_2.noarch.rpm iwl6000g2a-firmware-17.168.5.3-44.el7_2.noarch.rpm iwl6000g2b-firmware-17.168.5.2-44.el7_2.noarch.rpm iwl6050-firmware-41.28.5.1-44.el7_2.noarch.rpm iwl7260-firmware-22.0.7.0-44.el7_2.noarch.rpm iwl7265-firmware-22.0.7.0-44.el7_2.noarch.rpm linux-firmware-20150904-44.git6ebf5d5.el7_2.noarch.rpm Red Hat Enterprise Linux Server E4S (v. 7.2): Source: linux-firmware-20150904-44.git6ebf5d5.el7_2.src.rpm noarch: iwl100-firmware-39.31.5.1-44.el7_2.noarch.rpm iwl1000-firmware-39.31.5.1-44.el7_2.noarch.rpm iwl105-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl135-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl2000-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl2030-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl3160-firmware-22.0.7.0-44.el7_2.noarch.rpm iwl3945-firmware-15.32.2.9-44.el7_2.noarch.rpm iwl4965-firmware-228.61.2.24-44.el7_2.noarch.rpm iwl5000-firmware-8.83.5.1_1-44.el7_2.noarch.rpm iwl5150-firmware-8.24.2.2-44.el7_2.noarch.rpm iwl6000-firmware-9.221.4.1-44.el7_2.noarch.rpm iwl6000g2a-firmware-17.168.5.3-44.el7_2.noarch.rpm iwl6000g2b-firmware-17.168.5.2-44.el7_2.noarch.rpm iwl6050-firmware-41.28.5.1-44.el7_2.noarch.rpm iwl7260-firmware-22.0.7.0-44.el7_2.noarch.rpm iwl7265-firmware-22.0.7.0-44.el7_2.noarch.rpm linux-firmware-20150904-44.git6ebf5d5.el7_2.noarch.rpm Red Hat Enterprise Linux Server TUS (v. 7.2): Source: linux-firmware-20150904-44.git6ebf5d5.el7_2.src.rpm noarch: iwl100-firmware-39.31.5.1-44.el7_2.noarch.rpm iwl1000-firmware-39.31.5.1-44.el7_2.noarch.rpm iwl105-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl135-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl2000-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl2030-firmware-18.168.6.1-44.el7_2.noarch.rpm iwl3160-firmware-22.0.7.0-44.el7_2.noarch.rpm iwl3945-firmware-15.32.2.9-44.el7_2.noarch.rpm iwl4965-firmware-228.61.2.24-44.el7_2.noarch.rpm iwl5000-firmware-8.83.5.1_1-44.el7_2.noarch.rpm iwl5150-firmware-8.24.2.2-44.el7_2.noarch.rpm iwl6000-firmware-9.221.4.1-44.el7_2.noarch.rpm iwl6000g2a-firmware-17.168.5.3-44.el7_2.noarch.rpm iwl6000g2b-firmware-17.168.5.2-44.el7_2.noarch.rpm iwl6050-firmware-41.28.5.1-44.el7_2.noarch.rpm iwl7260-firmware-22.0.7.0-44.el7_2.noarch.rpm iwl7265-firmware-22.0.7.0-44.el7_2.noarch.rpm linux-firmware-20150904-44.git6ebf5d5.el7_2.noarch.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/updates/classification/#important https://access.redhat.com/security/vulnerabilities/speculativeexecution https://access.redhat.com/security/cve/CVE-2017-5715 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2018 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFaT7LNXlSAg2UNWIIRAkMKAKDDSG3Yp0d2ca2+7eLXISr+yBUtAQCfRZRb 3VnQuYGWdU4KyNMcdPoatUM= =T5wI -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce