Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-0543
• https://cert-portal.siemens.com/productcert/pdf/ssa-534763.pdf
• https://kc.mcafee.com/corporate/index?page=content&id=SB10318
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DT2VKDMQ3I37NBNJ256A2EXR7OJHXXKZ/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GRFC7UAPKAFFH5WX3AMDUBVHLKYQA2NZ/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NQZMOSHLTBBIECENNXA6M7DN5FEED4KI/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T5OUM24ZC43G4IDT3JUCIHJTSDXJSK6Y/
• https://usn.ubuntu.com/4385-1/
• https://usn.ubuntu.com/4387-1/
• https://usn.ubuntu.com/4388-1/
• https://usn.ubuntu.com/4389-1/
• https://usn.ubuntu.com/4390-1/
• https://usn.ubuntu.com/4391-1/
• https://usn.ubuntu.com/4392-1/
• https://usn.ubuntu.com/4393-1/
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00025.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00024.html
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00031.html
• http://www.openwall.com/lists/oss-security/2020/07/14/5