Speculative Leaks

Vulnerability Description

A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. 

References

• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007
• https://www.debian.org/security/2023/dsa-5480
• https://www.debian.org/security/2023/dsa-5492
• http://www.openwall.com/lists/oss-security/2023/09/25/3
• http://www.openwall.com/lists/oss-security/2023/09/25/4
• http://xenbits.xen.org/xsa/advisory-439.html
• http://www.openwall.com/lists/oss-security/2023/09/25/5
• http://www.openwall.com/lists/oss-security/2023/09/25/8
• http://www.openwall.com/lists/oss-security/2023/09/25/7
• http://www.openwall.com/lists/oss-security/2023/09/26/5
• http://www.openwall.com/lists/oss-security/2023/09/26/8
• http://www.openwall.com/lists/oss-security/2023/09/26/9
• http://www.openwall.com/lists/oss-security/2023/09/27/1
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/
• http://www.openwall.com/lists/oss-security/2023/10/03/14
• http://www.openwall.com/lists/oss-security/2023/10/03/9
• http://www.openwall.com/lists/oss-security/2023/10/03/15
• http://www.openwall.com/lists/oss-security/2023/10/03/12
• http://www.openwall.com/lists/oss-security/2023/10/03/13
• http://www.openwall.com/lists/oss-security/2023/10/03/16
• http://www.openwall.com/lists/oss-security/2023/10/04/1
• http://www.openwall.com/lists/oss-security/2023/10/04/2
• http://www.openwall.com/lists/oss-security/2023/10/04/4
• http://www.openwall.com/lists/oss-security/2023/10/04/3
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
• https://security.netapp.com/advisory/ntap-20240531-0005/