CVE-2018-3640

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    CVE-2018-3640

    Published: 22 May 2018Last Modified: 10 Jul 2026

    Summary:

    Details: 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: 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, https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability, https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV180013, 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://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, https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV180013, http://www.securitytracker.com/id/1042004, https://cert-portal.siemens.com/productcert/pdf/ssa-268644.pdf, https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf, https://lists.debian.org/debian-lts-announce/2018/07/msg00038.html, https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html, https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0005, https://usn.ubuntu.com/3756-1/, https://www.kb.cert.org/vuls/id/180049, https://www.us-cert.gov/ncas/alerts/TA18-141A

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High