CVE-2023-20588

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

Weakness

The product divides a value by zero.

Affected Software

Name	Vendor	Start Version	End Version
Debian_linux	Debian	10.0 (including)	10.0 (including)
Debian_linux	Debian	11.0 (including)	11.0 (including)
Debian_linux	Debian	12.0 (including)	12.0 (including)

References

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
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007
https://www.debian.org/security/2023/dsa-5480
https://www.debian.org/security/2023/dsa-5492

NVD	https://nvd.nist.gov/vuln/detail/CVE-2023-20588
CWE	https://cwe.mitre.org/data/definitions/369.html

Divide By Zero

Weakness

Affected Software

References