CVE-2023-20593

critical

Description

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

References

https://www.debian.org/security/2023/dsa-5462

https://www.debian.org/security/2023/dsa-5461

https://www.debian.org/security/2023/dsa-5459

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008

https://security.netapp.com/advisory/ntap-20240531-0004/

https://lists.fedoraproject.org/archives/list/[email protected]/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/

https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html

https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html

https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

https://cmpxchg8b.com/zenbleed.html

http://xenbits.xen.org/xsa/advisory-433.html

http://www.openwall.com/lists/oss-security/2023/09/25/7

http://www.openwall.com/lists/oss-security/2023/09/25/4

http://www.openwall.com/lists/oss-security/2023/09/22/9

http://www.openwall.com/lists/oss-security/2023/09/22/11

http://www.openwall.com/lists/oss-security/2023/08/16/5

http://www.openwall.com/lists/oss-security/2023/08/16/4

http://www.openwall.com/lists/oss-security/2023/08/08/8

http://www.openwall.com/lists/oss-security/2023/08/08/7

http://www.openwall.com/lists/oss-security/2023/08/08/6

http://www.openwall.com/lists/oss-security/2023/07/31/2

http://www.openwall.com/lists/oss-security/2023/07/26/1

http://www.openwall.com/lists/oss-security/2023/07/25/6

http://www.openwall.com/lists/oss-security/2023/07/25/5

http://www.openwall.com/lists/oss-security/2023/07/25/17

http://www.openwall.com/lists/oss-security/2023/07/25/16

http://www.openwall.com/lists/oss-security/2023/07/25/15

http://www.openwall.com/lists/oss-security/2023/07/25/14

http://www.openwall.com/lists/oss-security/2023/07/25/13

http://www.openwall.com/lists/oss-security/2023/07/25/12

http://www.openwall.com/lists/oss-security/2023/07/25/1

http://www.openwall.com/lists/oss-security/2023/07/24/3

http://seclists.org/fulldisclosure/2023/Jul/43

Details

Source: Mitre, NVD

Published: 2023-07-24

Updated: 2024-11-19

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity: Critical

Detections

Analytics