CVSS 3.1
4.7 mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NCVE-2023-20569
Medium (4.7) in amd. EPSS 7.3% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 7.3% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CWE
- CWE-203
- Published
- Modified
- Record from
- the NVD, synced
Affected
- amd:epyc_72f3_firmware
- amd:epyc_7313_firmware
- amd:epyc_7313p_firmware
- amd:epyc_7343_firmware
- amd:epyc_7373x_firmware
- amd:epyc_73f3_firmware
- amd:epyc_7413_firmware
- amd:epyc_7443_firmware
- amd:epyc_7443p_firmware
- amd:epyc_7453_firmware
- amd:epyc_7473x_firmware
- amd:epyc_74f3_firmware
- amd:epyc_7513_firmware
- amd:epyc_7543_firmware
- amd:epyc_7543p_firmware
- amd:epyc_7573x_firmware
- amd:epyc_75f3_firmware
- amd:epyc_7643_firmware
- amd:epyc_7663_firmware
- amd:epyc_7713_firmware
- amd:epyc_7713p_firmware
- amd:epyc_7763_firmware
- amd:epyc_7773x_firmware
- amd:epyc_9124_firmware
- amd:epyc_9174f_firmware
- amd:epyc_9184x_firmware
- amd:epyc_9224_firmware
- amd:epyc_9254_firmware
- amd:epyc_9274f_firmware
- amd:epyc_9334_firmware
- amd:epyc_9354_firmware
- amd:epyc_9354p_firmware
- amd:epyc_9374f_firmware
- amd:epyc_9384x_firmware
- amd:epyc_9454_firmware
- amd:epyc_9454p_firmware
- amd:epyc_9474f_firmware
- amd:epyc_9534_firmware
- amd:epyc_9554_firmware
- amd:epyc_9554p_firmware
- amd:epyc_9634_firmware
- amd:epyc_9654_firmware
- amd:epyc_9654p_firmware
- amd:epyc_9684x_firmware
- amd:epyc_9734_firmware
- amd:epyc_9754_firmware
- amd:epyc_9754s_firmware
- amd:ryzen_3_5100_firmware
- amd:ryzen_3_5125c_firmware
- amd:ryzen_3_5300g_firmware
References
- http://www.openwall.com/lists/oss-security/2023/08/08/4
- http://xenbits.xen.org/xsa/advisory-434.html
- https://comsec.ethz.ch/research/microarch/inception/
- https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/