CVE-2023-20588

medium

Description

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

References

https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/

https://lists.fedoraproject.org/archives/list/[email protected]/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/

https://lists.fedoraproject.org/archives/list/[email protected]/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/

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://www.openwall.com/lists/oss-security/2023/09/25/5

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

http://www.openwall.com/lists/oss-security/2023/09/25/8

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

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/2023/10/03/14

http://www.openwall.com/lists/oss-security/2023/10/03/15

http://www.openwall.com/lists/oss-security/2023/10/03/16

http://www.openwall.com/lists/oss-security/2023/10/03/9

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/2023/10/04/3

http://www.openwall.com/lists/oss-security/2023/10/04/4

http://xenbits.xen.org/xsa/advisory-439.html

Details

Source: Mitre, NVD

Published: 2023-08-08

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