Information Exposure Affecting intel-microcode package, versions <3.20190514.0ubuntu0.18.04.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1804-INTELMICROCODE-346399
- published15 May 2019
- disclosed30 May 2019
Introduced: 15 May 2019
CVE-2018-12126 (opens in a new tab)How to fix?
Upgrade Ubuntu:18.04 intel-microcode to version 3.20190514.0ubuntu0.18.04.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream intel-microcode package and not the intel-microcode package as distributed by Ubuntu.
See How to fix? for Ubuntu:18.04 relevant fixed versions and status.
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
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-12126
- https://seclists.org/bugtraq/2019/Jun/28
- https://seclists.org/bugtraq/2019/Jun/36
- https://seclists.org/bugtraq/2019/Nov/15
- https://seclists.org/bugtraq/2019/Nov/16
- https://seclists.org/bugtraq/2020/Jan/21
- 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://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00233.html
- https://www.synology.com/security/advisory/Synology_SA_19_24
- 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://www.debian.org/security/2020/dsa-4602
- https://security-tracker.debian.org/tracker/CVE-2018-12126
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:26.mcu.asc
- https://www.freebsd.org/security/advisories/FreeBSD-SA-19:07.mds.asc
- https://security.gentoo.org/glsa/202003-56
- http://packetstormsecurity.com/files/155281/FreeBSD-Security-Advisory-FreeBSD-SA-19-26.mcu.html
- https://lists.debian.org/debian-lts-announce/2019/06/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00014.html
- https://access.redhat.com/errata/RHSA-2019:2553
- https://access.redhat.com/errata/RHSA-2019:1455
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00053.html
- https://usn.ubuntu.com/3977-3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OH73SGTJ575OBCPSJFX6LX7KP2KZIEN4/