Systems with microprocessors utilizing speculative execution and that perform speculative reads of system registers may allow unauthorized…

Description

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.

Scores

EPSS (exploitation in 30 days)

7.1% · top 5.7% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.6.

Weakness

• Information Disclosure
• CWE-203 (opens in a new tab)All about CWE-203 and its CVEs

Affected products

• Intel Corporation · Multiple

  • affected Multiple

References (22)

• https://cert-portal.siemens.com/productcert/pdf/ssa-268644.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://support.lenovo.com/us/en/solutions/LEN-22133 (opens in a new tab)x_refsource_CONFIRMx_transferred
• TA18-141A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
• 1042004 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 1040949 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0005 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00115.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://www.synology.com/support/security/Synology_SA_18_23 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability (opens in a new tab)x_refsource_CONFIRMx_transferred
• VU#180049 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• http://www.fujitsu.com/global/support/products/software/security/products-f/cve-2018-3639e.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV180013 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 20180522 CPU Side-Channel Information Disclosure Vulnerabilities: May 2018 (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
• https://www.mitel.com/en-ca/support/security-advisories/mitel-product-security-advisory-18-0006 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [debian-lts-announce] 20180916 [SECURITY] [DLA 1506-1] intel-microcode security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• DSA-4273 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03850en_us (opens in a new tab)x_refsource_CONFIRMx_transferred
• 104228 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• [debian-lts-announce] 20180727 [SECURITY] [DLA 1446-1] intel-microcode security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• USN-3756-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://security.netapp.com/advisory/ntap-20180521-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2018-3640](https://trackcve.app/badge/CVE-2018-3640.svg)](https://trackcve.app/cve/CVE-2018-3640)

Record last updated 16 Sept 2024, 19:31 UTC.