CVE-2018-3620
5.6 MEDIUMSystems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information re...
Published: 2018-08-14 · Last updated: 2026-05-29
Severity and scoring
- CVSS
- 5.6 MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- CWE
- CWE-203
Affected products
| Vendor | Product |
|---|---|
| intel | core_i3, core_i5, core_i7 |
Description
Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access via a terminal page fault and a side-channel analysis.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2018-3620
- [Other]http://support.lenovo.com/us/en/solutions/LEN-24163
- [Other]http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-en
- [Other]http://www.securityfocus.com/bid/105080
- [Other]http://www.securitytracker.com/id/1041451
- [Other]http://www.vmware.com/security/advisories/VMSA-2018-0021.html
- [Other]http://xenbits.xen.org/xsa/advisory-273.html
- [Other]https://access.redhat.com/errata/RHSA-2018:2384
- [Other]https://access.redhat.com/errata/RHSA-2018:2387
- [Other]https://access.redhat.com/errata/RHSA-2018:2388
- [Other]https://access.redhat.com/errata/RHSA-2018:2389
- [Other]https://access.redhat.com/errata/RHSA-2018:2390
- [Other]https://access.redhat.com/errata/RHSA-2018:2391
- [Other]https://access.redhat.com/errata/RHSA-2018:2392
- [Other]https://access.redhat.com/errata/RHSA-2018:2393
- [Other]https://access.redhat.com/errata/RHSA-2018:2394
- [Other]https://access.redhat.com/errata/RHSA-2018:2395
- [Other]https://access.redhat.com/errata/RHSA-2018:2396
- [Other]https://access.redhat.com/errata/RHSA-2018:2402
- [Other]https://access.redhat.com/errata/RHSA-2018:2403
- [Other]https://access.redhat.com/errata/RHSA-2018:2404
- [Other]https://access.redhat.com/errata/RHSA-2018:2602
- [Other]https://access.redhat.com/errata/RHSA-2018:2603
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-254686.pdf
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- [Other]https://foreshadowattack.eu/
- [Other]https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- [Other]https://lists.debian.org/debian-lts-announce/2018/08/msg00029.html
- [Other]https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4UWGORQWCENCIF2BHWUEF2ODBV75QS2/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XRFKQWYV2H4BV75CUNGCGE5TNVQCLBGZ/
- [Other]https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180018
- [Other]https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0009
- [Other]https://security.FreeBSD.org/advisories/FreeBSD-SA-18:09.l1tf.asc
- [Other]https://security.gentoo.org/glsa/201810-06
- [Other]https://security.netapp.com/advisory/ntap-20180815-0001/
- [Vendor advisory]https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault
- [Other]https://support.f5.com/csp/article/K95275140
- [Other]https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03874en_us
- [Other]https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180814-cpusidechannel
- [Other]https://usn.ubuntu.com/3740-1/
- [Other]https://usn.ubuntu.com/3740-2/
- [Other]https://usn.ubuntu.com/3741-1/
- [Other]https://usn.ubuntu.com/3741-2/
- [Other]https://usn.ubuntu.com/3742-1/
- [Other]https://usn.ubuntu.com/3742-2/
- [Other]https://usn.ubuntu.com/3823-1/
- [Other]https://www.debian.org/security/2018/dsa-4274
- [Other]https://www.debian.org/security/2018/dsa-4279
- [Vendor advisory]https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00161.html
- [Other]https://www.kb.cert.org/vuls/id/982149
- [Other]https://www.oracle.com/security-alerts/cpujul2020.html
- [Other]https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- [Other]https://www.synology.com/support/security/Synology_SA_18_45
- [Other]http://support.lenovo.com/us/en/solutions/LEN-24163
- [Other]http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180815-01-cpu-en
- [Other]http://www.securityfocus.com/bid/105080
- [Other]http://www.securitytracker.com/id/1041451
- [Other]http://www.vmware.com/security/advisories/VMSA-2018-0021.html
- [Other]http://xenbits.xen.org/xsa/advisory-273.html
- [Other]https://access.redhat.com/errata/RHSA-2018:2384
- [Other]https://access.redhat.com/errata/RHSA-2018:2387
- [Other]https://access.redhat.com/errata/RHSA-2018:2388
- [Other]https://access.redhat.com/errata/RHSA-2018:2389
- [Other]https://access.redhat.com/errata/RHSA-2018:2390
- [Other]https://access.redhat.com/errata/RHSA-2018:2391
- [Other]https://access.redhat.com/errata/RHSA-2018:2392
- [Other]https://access.redhat.com/errata/RHSA-2018:2393
- [Other]https://access.redhat.com/errata/RHSA-2018:2394
- [Other]https://access.redhat.com/errata/RHSA-2018:2395
- [Other]https://access.redhat.com/errata/RHSA-2018:2396
- [Other]https://access.redhat.com/errata/RHSA-2018:2402
- [Other]https://access.redhat.com/errata/RHSA-2018:2403
- [Other]https://access.redhat.com/errata/RHSA-2018:2404
- [Other]https://access.redhat.com/errata/RHSA-2018:2602
- [Other]https://access.redhat.com/errata/RHSA-2018:2603
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-254686.pdf
- [Other]https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- [Other]https://foreshadowattack.eu/
- [Other]https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- [Other]https://lists.debian.org/debian-lts-announce/2018/08/msg00029.html
- [Other]https://lists.debian.org/debian-lts-announce/2018/09/msg00017.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V4UWGORQWCENCIF2BHWUEF2ODBV75QS2/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XRFKQWYV2H4BV75CUNGCGE5TNVQCLBGZ/
- [Other]https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180018
- [Other]https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0009
- [Other]https://security.FreeBSD.org/advisories/FreeBSD-SA-18:09.l1tf.asc
- [Other]https://security.gentoo.org/glsa/201810-06
- [Other]https://security.netapp.com/advisory/ntap-20180815-0001/
- [Vendor advisory]https://software.intel.com/security-software-guidance/software-guidance/l1-terminal-fault
- [Other]https://support.f5.com/csp/article/K95275140
- [Other]https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03874en_us
- [Other]https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180814-cpusidechannel
- [Other]https://usn.ubuntu.com/3740-1/
- [Other]https://usn.ubuntu.com/3740-2/
- [Other]https://usn.ubuntu.com/3741-1/
- [Other]https://usn.ubuntu.com/3741-2/
- [Other]https://usn.ubuntu.com/3742-1/
- [Other]https://usn.ubuntu.com/3742-2/
- [Other]https://usn.ubuntu.com/3823-1/
- [Other]https://www.debian.org/security/2018/dsa-4274
- [Other]https://www.debian.org/security/2018/dsa-4279
- [Vendor advisory]https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00161.html
- [Other]https://www.kb.cert.org/vuls/id/982149
- [Other]https://www.oracle.com/security-alerts/cpujul2020.html
- [Other]https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
- [Other]https://www.synology.com/support/security/Synology_SA_18_45
Related CVEs
Same vendor
- CVE-2019-11135 — TSX Asynchronous Abort condition on some CPUs utilizing speculative execution may allow an authenticated user to potentially enable infor... (6.5 MEDIUM)
- CVE-2019-11091 — Microarchitectural Data Sampling Uncacheable Memory (MDSUM): Uncacheable memory on some microprocessors utilizing speculative execution m... (5.6 MEDIUM)
- CVE-2018-12130 — Microarchitectural Fill Buffer Data Sampling (MFBDS): Fill buffers on some microprocessors utilizing speculative execution may allow an a... (5.9 MEDIUM)
- CVE-2018-12127 — Microarchitectural Load Port Data Sampling (MLPDS): Load ports on some microprocessors utilizing speculative execution may allow an authe... (5.6 MEDIUM)
- CVE-2018-12126 — Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an... (5.6 MEDIUM)
Same CWE
- CVE-2026-11289 — Side-channel information leakage in Paint in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via... (6.5 MEDIUM)
- CVE-2026-11284 — Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origi... (6.5 MEDIUM)
- CVE-2026-45294 — FreeScout is a free help desk and shared inbox built with PHP's Laravel framework (5.3 MEDIUM)
- CVE-2026-45410 — TREK is a collaborative travel planner (5.3 MEDIUM)
- CVE-2025-11145 — Observable Discrepancy, Exposure of Sensitive Information to an Unauthorized Actor, Exposure of Private Personal Information to an Unauth... (7.5 HIGH)