CVE-2023-20593

Description

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

Affected products

• AMD / 2nd Gen AMD EPYC™ Processorsvarious – various
• AMD / 3rd Gen AMD Ryzen™ Threadripper™ Processors “Castle Peak” HEDTvarious – various
• AMD / AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics “Renoir” AM4various – various
• AMD / Ryzen™ 3000 Series Desktop Processors “Matisse” AM4various – various
• AMD / Ryzen™ 4000 Series Mobile processors with Radeon™ Graphics “Renoir”various – various
• AMD / Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”various – various
• AMD / Ryzen™ 7020 Series processors “Mendocino” FT6various – various
• AMD / Ryzen™ Threadripper™ PRO Processors “Castle Peak” WS SP3various – various

References

• MISChttps://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
• MISChttp://xenbits.xen.org/xsa/advisory-433.html
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/24/3
• MAILING_LISThttp://seclists.org/fulldisclosure/2023/Jul/43
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/5
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/6
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/1
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/13
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/17
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/12
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/16
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/14
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/25/15
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/26/1
• MISChttps://cmpxchg8b.com/zenbleed.html
• VENDOR_ADVISORYhttps://www.debian.org/security/2023/dsa-5459
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
• VENDOR_ADVISORYhttps://www.debian.org/security/2023/dsa-5462
• VENDOR_ADVISORYhttps://www.debian.org/security/2023/dsa-5461
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2023/07/msg00033.html
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/07/31/2
• MAILING_LISThttps://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
• MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/08/08/7
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/08/08/8
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/08/08/6
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/08/16/4
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/08/16/5
• MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
• MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/09/22/9
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/09/22/11
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/09/25/4
• MAILING_LISThttp://www.openwall.com/lists/oss-security/2023/09/25/7
• MISChttps://security.netapp.com/advisory/ntap-20240531-0004/