CVE-2023-20569

Description

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

References

https://www.debian.org/security/2023/dsa-5475

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005

https://lists.fedoraproject.org/archives/list/[email protected]/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/

https://lists.fedoraproject.org/archives/list/[email protected]/message/PKK3IA63LSKM4EC3TN4UM6DDEIOWEQIG/

https://lists.fedoraproject.org/archives/list/[email protected]/message/L4E4TZNMLYL2KETY23IPA43QXFAVJ46V/

https://lists.fedoraproject.org/archives/list/[email protected]/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/

https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html

http://xenbits.xen.org/xsa/advisory-434.html

http://www.openwall.com/lists/oss-security/2023/08/08/4

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3