CVE-2017-5926: Page table walks conducted by the MMU during virtual to physical address translation leave a trace in the l...

Security readout for executives and security teams

This issue describes a hardware side channel in modern AMD processors where memory translation activity can leave traces in last-level cache. The cited research says JavaScript could use those traces to disclose code and data pointers, weakening ASLR. The bundle does not name specific affected models, a CVSS score, a patch, or active exploitation. Potential exposure is systems using modern AMD processors that run untrusted JavaScript, especially browsers or script-enabled workloads. The source bundle does not identify exact CPU models, operating systems, browsers, cloud environments, or software packages as affected. Treat this as a research-backed hardware side-channel concern with uncertain direct exposure. It is not presented as actively exploited in the bundle, but it can weaken a foundational defense, ASLR. Prioritize asset visibility, supported updates, and vendor applicability checks over emergency response unless your environment matches vendor-confirmed exposure. Mitigation focus: Check AMD, browser, and OS vendor guidance for CVE-2017-5926 or ANC-related advisories.; Keep browsers, operating systems, firmware, and CPU microcode current through supported vendor channels.; Limit untrusted JavaScript on sensitive AMD-based systems where business impact would be high..

Prepared

Jun 13, 2026, 06:02 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.