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cve-2018-3640

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CVE-2018-3640, also known as Spectre Variant 3a or Rogue System Register Read (RSRE), is a side-channel vulnerability affecting CPU hardware implementations. It allows an attacker to obtain sensitive information by exploiting speculative execution. Intel released microcode updates via Windows Update (KB4465065) to address this flaw, along with related variants like Spectre V4 (CVE-2018-3639) and L1TF. The vulnerability impacts desktops, laptops, and cloud systems. WindowsForum discussions cover the release of these microcode updates and the broader context of side-channel vulnerabilities, including mitigation strategies for Windows users.
  1. kemical

    Windows 10 New Intel Microcode for Spectre V3a, V4 & L1TF to be released

    Intel is to release new microcode via Windows update for Spectre variants. further details can be found here: https://support.microsoft.com/en-us/help/4465065kb4465065-intel-microcode-updates:
    • kemical
    • Thread
    • cve-2018-3620 cve-2018-3639 cve-2018-3640 intel microcode security spectre update vulnerability windows 10 windows server 2019 windows update
    • Replies: 2
    • Forum: Windows Upgrade and Installation
  2. News

    TA18-141A: Side-Channel Vulnerability Variants 3a and 4

    Original release date: May 21, 2018 Systems Affected CPU hardware implementations Overview On May 21, 2018, new variants—known as 3A and 4—of the side-channel central processing unit (CPU) hardware vulnerability were Link Removed. These variants can allow an attacker to obtain access to...
    • News
    • Thread
    • attack cpu cve-2017-5715 cve-2017-5753 cve-2017-5754 cve-2018-3639 cve-2018-3640 exfiltration hardware impact meltdown mitigation patch security side-channel software spectre variant variant 3a vulnerability
    • Replies: 0
    • Forum: Security Alerts
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