Synopsis

Important: linux-firmware security update

Type/Severity

Security Advisory: Important

Topic

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.

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.

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

Affected Products

• Red Hat Enterprise Linux Server - AUS 7.2 x86_64
• Red Hat Enterprise Linux Server - TUS 7.2 x86_64
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.2 x86_64

Fixes

• BZ - 1519780 - CVE-2017-5715 hw: cpu: speculative execution branch target injection

CVEs

(none)

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

Red Hat Enterprise Linux Server - AUS 7.2

SRPM
linux-firmware-20150904-44.git6ebf5d5.el7_2.src.rpm	SHA-256: f26d19f66c5862f8146ab6ac37600161b6c3e1b151a7a9425c30b9eeb57c4cb0
x86_64
iwl100-firmware-39.31.5.1-44.el7_2.noarch.rpm	SHA-256: 3858d79bcaf996dc51f8d5c3b764fd2decd4acb87406d74ba6829828bbe0741e
iwl1000-firmware-39.31.5.1-44.el7_2.noarch.rpm	SHA-256: d0cfbe60bd89dc26985796702a6481234296675fba8037a43fc0463f54e186cd
iwl105-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: 18c0574c2a497101a9ba6c9c0b0c8abe52b559747cfaf80f0583dc9b7189e450
iwl135-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: ce516d6e3a7ac5cd3febff2342459c14d3fc780df4818eb560668a64d5a88f40
iwl2000-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: a81d05bd7741b82362672c33db3ed113025e561640c5bcb432ccfc38cffa7a57
iwl2030-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: 5c2e78a4957d7451132b74bce3342be596b7d870f5b85e93f9c83c3c70a57cc6
iwl3160-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: 5e360aaca8dbe2502eec8ff19104d618dbeb02e736761c005450c5ade2563607
iwl3945-firmware-15.32.2.9-44.el7_2.noarch.rpm	SHA-256: 9eb976c0b8914235f8b91fb414e655cb5de1804782c52b25db2b13cfdf63b3ad
iwl4965-firmware-228.61.2.24-44.el7_2.noarch.rpm	SHA-256: 25dbf06d8d86e8e495068d2ff710de07cc4c74a4e3e3fb95debe12e7c5f3f63c
iwl5000-firmware-8.83.5.1_1-44.el7_2.noarch.rpm	SHA-256: 6e8dfd994e3daca11ffae105597e7143cf6e2844a0df5a6d569abc306daee544
iwl5150-firmware-8.24.2.2-44.el7_2.noarch.rpm	SHA-256: a8d41ce5f8965c99e62abcf95c822df19d357e469a6f114b31379ebf1677009a
iwl6000-firmware-9.221.4.1-44.el7_2.noarch.rpm	SHA-256: 6823f604911e5089f412fa6bad1987108ecaa6cc95c6bdbab9041716ccb552e5
iwl6000g2a-firmware-17.168.5.3-44.el7_2.noarch.rpm	SHA-256: 0e64396c7726412b5c0e84eeefb2f08ce3e99057c4cb9baf448b253968690912
iwl6000g2b-firmware-17.168.5.2-44.el7_2.noarch.rpm	SHA-256: 63372c3bc0a324f415e9375f062c616ead9142d9687b0962c18dc4a92fb0e78e
iwl6050-firmware-41.28.5.1-44.el7_2.noarch.rpm	SHA-256: 6b2c76837be67001d45a6e1b03a4ea226d548ec704fd0ac1735bed9dd551c8fe
iwl7260-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: e0a1961ab32469124d4c3dfc8edc6e2f7e88af932ae134ff9eaee8e4c5ba2fb0
iwl7265-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: fee133afd597e685aaf187d126fb1c8d099c2219038e0aba35f25f6e9a5ab432
linux-firmware-20150904-44.git6ebf5d5.el7_2.noarch.rpm	SHA-256: 5ffddc2973c5111f1a74b8c8d6124c66e32f6db5a97561dfd25888432f45ff56

Red Hat Enterprise Linux Server - TUS 7.2

SRPM
linux-firmware-20150904-44.git6ebf5d5.el7_2.src.rpm	SHA-256: f26d19f66c5862f8146ab6ac37600161b6c3e1b151a7a9425c30b9eeb57c4cb0
x86_64
iwl100-firmware-39.31.5.1-44.el7_2.noarch.rpm	SHA-256: 3858d79bcaf996dc51f8d5c3b764fd2decd4acb87406d74ba6829828bbe0741e
iwl1000-firmware-39.31.5.1-44.el7_2.noarch.rpm	SHA-256: d0cfbe60bd89dc26985796702a6481234296675fba8037a43fc0463f54e186cd
iwl105-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: 18c0574c2a497101a9ba6c9c0b0c8abe52b559747cfaf80f0583dc9b7189e450
iwl135-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: ce516d6e3a7ac5cd3febff2342459c14d3fc780df4818eb560668a64d5a88f40
iwl2000-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: a81d05bd7741b82362672c33db3ed113025e561640c5bcb432ccfc38cffa7a57
iwl2030-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: 5c2e78a4957d7451132b74bce3342be596b7d870f5b85e93f9c83c3c70a57cc6
iwl3160-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: 5e360aaca8dbe2502eec8ff19104d618dbeb02e736761c005450c5ade2563607
iwl3945-firmware-15.32.2.9-44.el7_2.noarch.rpm	SHA-256: 9eb976c0b8914235f8b91fb414e655cb5de1804782c52b25db2b13cfdf63b3ad
iwl4965-firmware-228.61.2.24-44.el7_2.noarch.rpm	SHA-256: 25dbf06d8d86e8e495068d2ff710de07cc4c74a4e3e3fb95debe12e7c5f3f63c
iwl5000-firmware-8.83.5.1_1-44.el7_2.noarch.rpm	SHA-256: 6e8dfd994e3daca11ffae105597e7143cf6e2844a0df5a6d569abc306daee544
iwl5150-firmware-8.24.2.2-44.el7_2.noarch.rpm	SHA-256: a8d41ce5f8965c99e62abcf95c822df19d357e469a6f114b31379ebf1677009a
iwl6000-firmware-9.221.4.1-44.el7_2.noarch.rpm	SHA-256: 6823f604911e5089f412fa6bad1987108ecaa6cc95c6bdbab9041716ccb552e5
iwl6000g2a-firmware-17.168.5.3-44.el7_2.noarch.rpm	SHA-256: 0e64396c7726412b5c0e84eeefb2f08ce3e99057c4cb9baf448b253968690912
iwl6000g2b-firmware-17.168.5.2-44.el7_2.noarch.rpm	SHA-256: 63372c3bc0a324f415e9375f062c616ead9142d9687b0962c18dc4a92fb0e78e
iwl6050-firmware-41.28.5.1-44.el7_2.noarch.rpm	SHA-256: 6b2c76837be67001d45a6e1b03a4ea226d548ec704fd0ac1735bed9dd551c8fe
iwl7260-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: e0a1961ab32469124d4c3dfc8edc6e2f7e88af932ae134ff9eaee8e4c5ba2fb0
iwl7265-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: fee133afd597e685aaf187d126fb1c8d099c2219038e0aba35f25f6e9a5ab432
linux-firmware-20150904-44.git6ebf5d5.el7_2.noarch.rpm	SHA-256: 5ffddc2973c5111f1a74b8c8d6124c66e32f6db5a97561dfd25888432f45ff56

Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.2

SRPM
linux-firmware-20150904-44.git6ebf5d5.el7_2.src.rpm	SHA-256: f26d19f66c5862f8146ab6ac37600161b6c3e1b151a7a9425c30b9eeb57c4cb0
x86_64
iwl100-firmware-39.31.5.1-44.el7_2.noarch.rpm	SHA-256: 3858d79bcaf996dc51f8d5c3b764fd2decd4acb87406d74ba6829828bbe0741e
iwl1000-firmware-39.31.5.1-44.el7_2.noarch.rpm	SHA-256: d0cfbe60bd89dc26985796702a6481234296675fba8037a43fc0463f54e186cd
iwl105-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: 18c0574c2a497101a9ba6c9c0b0c8abe52b559747cfaf80f0583dc9b7189e450
iwl135-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: ce516d6e3a7ac5cd3febff2342459c14d3fc780df4818eb560668a64d5a88f40
iwl2000-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: a81d05bd7741b82362672c33db3ed113025e561640c5bcb432ccfc38cffa7a57
iwl2030-firmware-18.168.6.1-44.el7_2.noarch.rpm	SHA-256: 5c2e78a4957d7451132b74bce3342be596b7d870f5b85e93f9c83c3c70a57cc6
iwl3160-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: 5e360aaca8dbe2502eec8ff19104d618dbeb02e736761c005450c5ade2563607
iwl3945-firmware-15.32.2.9-44.el7_2.noarch.rpm	SHA-256: 9eb976c0b8914235f8b91fb414e655cb5de1804782c52b25db2b13cfdf63b3ad
iwl4965-firmware-228.61.2.24-44.el7_2.noarch.rpm	SHA-256: 25dbf06d8d86e8e495068d2ff710de07cc4c74a4e3e3fb95debe12e7c5f3f63c
iwl5000-firmware-8.83.5.1_1-44.el7_2.noarch.rpm	SHA-256: 6e8dfd994e3daca11ffae105597e7143cf6e2844a0df5a6d569abc306daee544
iwl5150-firmware-8.24.2.2-44.el7_2.noarch.rpm	SHA-256: a8d41ce5f8965c99e62abcf95c822df19d357e469a6f114b31379ebf1677009a
iwl6000-firmware-9.221.4.1-44.el7_2.noarch.rpm	SHA-256: 6823f604911e5089f412fa6bad1987108ecaa6cc95c6bdbab9041716ccb552e5
iwl6000g2a-firmware-17.168.5.3-44.el7_2.noarch.rpm	SHA-256: 0e64396c7726412b5c0e84eeefb2f08ce3e99057c4cb9baf448b253968690912
iwl6000g2b-firmware-17.168.5.2-44.el7_2.noarch.rpm	SHA-256: 63372c3bc0a324f415e9375f062c616ead9142d9687b0962c18dc4a92fb0e78e
iwl6050-firmware-41.28.5.1-44.el7_2.noarch.rpm	SHA-256: 6b2c76837be67001d45a6e1b03a4ea226d548ec704fd0ac1735bed9dd551c8fe
iwl7260-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: e0a1961ab32469124d4c3dfc8edc6e2f7e88af932ae134ff9eaee8e4c5ba2fb0
iwl7265-firmware-22.0.7.0-44.el7_2.noarch.rpm	SHA-256: fee133afd597e685aaf187d126fb1c8d099c2219038e0aba35f25f6e9a5ab432
linux-firmware-20150904-44.git6ebf5d5.el7_2.noarch.rpm	SHA-256: 5ffddc2973c5111f1a74b8c8d6124c66e32f6db5a97561dfd25888432f45ff56