Vulnerability Description
Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosure via a side channel with local access. A list of impacted products can be found here: https://www.intel.com/content/dam/www/public/us/en/documents/corporate-information/SA00233-microcode-update-guidance_05132019.pdf
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Intel | Microarchitectural Store Buffer Data Sampling Firmware | - |
| Intel | Microarchitectural Store Buffer Data Sampling | - |
| Fedoraproject | Fedora | 29 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
- http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA
- http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2019-003.txt
- http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190712-01-mds-en
- https://access.redhat.com/errata/RHSA-2019:1455
- https://access.redhat.com/errata/RHSA-2019:2553
- https://cert-portal.siemens.com/productcert/pdf/ssa-608355.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-616472.pdf
- https://kc.mcafee.com/corporate/index?page=content&id=SB10292
- https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2019/Jun/28
- https://seclists.org/bugtraq/2019/Jun/36
FAQ
What is CVE-2018-12126?
CVE-2018-12126 is a vulnerability with a CVSS score of 5.6 (MEDIUM). Microarchitectural Store Buffer Data Sampling (MSBDS): Store buffers on some microprocessors utilizing speculative execution may allow an authenticated user to potentially enable information disclosur...
How severe is CVE-2018-12126?
CVE-2018-12126 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-12126?
Check the references section above for vendor advisories and patch information. Affected products include: Intel Microarchitectural Store Buffer Data Sampling Firmware, Intel Microarchitectural Store Buffer Data Sampling, Fedoraproject Fedora.