Covert Timing Channel The advisory has been revoked - it doesn't affect any version of package kernel-headers (opens in a new tab)
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-RHEL7-KERNELHEADERS-4769005
- published26 Jul 2021
- disclosed14 May 2019
Introduced: 14 May 2019
CVE-2018-12127 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by RHEL.
Microarchitectural Load Port Data Sampling (MLPDS): Load ports 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
- 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://access.redhat.com/security/cve/CVE-2018-12127
- https://www.debian.org/security/2020/dsa-4602
- 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
- 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/