Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized disclosure of system parameters to an attacker with local user access via a side-channel analysis, aka Rogue System Register Read (RSRE), Variant 3a.

References

• https://nvd.nist.gov/vuln/detail/CVE-2018-3640
• https://cert-portal.siemens.com/productcert/pdf/ssa-268644.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
• https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
• https://lists.debian.org/debian-lts-announce/2018/07/msg00038.html
• https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html
• https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV180013
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0005
• https://security.netapp.com/advisory/ntap-20180521-0001/
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03850en_us
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180521-cpusidechannel
• https://usn.ubuntu.com/3756-1/
• https://www.debian.org/security/2018/dsa-4273
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html
• https://www.kb.cert.org/vuls/id/180049
• https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0006
• https://www.synology.com/support/security/Synology_SA_18_23
• https://www.us-cert.gov/ncas/alerts/TA18-141A
• http://support.lenovo.com/us/en/solutions/LEN-22133
• http://www.fujitsu.com/global/support/products/software/security/products-f/cve-2018-3639e.html
• http://www.securityfocus.com/bid/104228
• http://www.securitytracker.com/id/1040949
• http://www.securitytracker.com/id/1042004