Microarchitectural buffers on some Intel processors utilizing speculative execution may allow a local process to obtain a memory disclosure. An attacker may be able to read secret data from the kernel or from a process when executing untrusted code (for example, in a web browser). Reference: https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html Security: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091 Security: FreeBSD-SA-19:07.mds Reviewed by: jhb Tested by: emaste, lwhsu Approved by: so (gtetlow) |
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cpuctl.c |