VulnerabilityModified
CVE-2023-20569
A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction.
MEDIUM 4.7EPSS 7.30%
Does this matter?
Lower severity and a low EPSS score (7.30%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.7 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 7.30% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-203
- Affected
- fedoraproject/fedora · debian/debian linux · amd/ryzen 9 5950x firmware · amd/ryzen 9 5900x firmware · amd/ryzen 9 5900 firmware · amd/ryzen 9 pro 5945 firmware · amd/ryzen 7 5800x3d firmware · amd/ryzen 7 5800x firmware · amd/ryzen 7 5800 firmware · amd/ryzen 7 5700x firmware · amd/ryzen 7 pro 5845 firmware · amd/ryzen 5 5600x3d firmware · amd/ryzen 5 5600x firmware · amd/ryzen 5 5600 firmware · amd/ryzen 5 pro 5645 firmware · amd/ryzen 7 5700 firmware · amd/ryzen 5 5500 firmware · amd/ryzen 3 5100 firmware · amd/ryzen 7 5700g firmware · amd/ryzen 7 5700ge firmware · +40 more
- Source
- psirt@amd.com
References
- http://www.openwall.com/lists/oss-security/2023/08/08/4Mailing List
- http://xenbits.xen.org/xsa/advisory-434.htmlThird Party Advisory
- https://comsec.ethz.ch/research/microarch/inception/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00013.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4E4TZNMLYL2KETY23IPA43QXFAVJ46V/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKK3IA63LSKM4EC3TN4UM6DDEIOWEQIG/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240605-0006/
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005Vendor Advisory
- https://www.debian.org/security/2023/dsa-5475Third Party Advisory
- http://www.openwall.com/lists/oss-security/2023/08/08/4Mailing List
- http://xenbits.xen.org/xsa/advisory-434.htmlThird Party Advisory
- https://comsec.ethz.ch/research/microarch/inception/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/08/msg00013.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4E4TZNMLYL2KETY23IPA43QXFAVJ46V/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKK3IA63LSKM4EC3TN4UM6DDEIOWEQIG/Mailing List
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240605-0006/
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005Vendor Advisory
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7005.html
- https://www.debian.org/security/2023/dsa-5475Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.