CVE-2023-20588

Speculative Leaks

Description

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

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 4.00% Top 15%
Vendor Advisory amd.com
Affected: AMD EPYC™ 7001 Processors
Affected: AMD Athlon™ 3000 Series Processors with Radeon™ Graphics
Affected: AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics
Affected: AMD Athlon™ PRO 3000 Series Processors with Radeon™ Vega Graphics
Affected: AMD Ryzen™ PRO 3000 Series Processors with Radeon™ Vega Graphics
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007 vendor advisory
https://www.debian.org/security/2023/dsa-5480 third party advisory
https://www.debian.org/security/2023/dsa-5492 third party advisory
http://www.openwall.com/lists/oss-security/2023/09/25/3 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/25/4 third party advisory mailing list
http://xenbits.xen.org/xsa/advisory-439.html third party advisory
http://www.openwall.com/lists/oss-security/2023/09/25/5 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/25/8 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/25/7 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/26/5 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/26/8 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/26/9 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/09/27/1 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/ mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/ mailing list
http://www.openwall.com/lists/oss-security/2023/10/03/14 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/03/9 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/03/15 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/03/12 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/03/13 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/03/16 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/04/1 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/04/2 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/04/4 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/10/04/3 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/ mailing list
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20240531-0005/

Frequently Asked Questions

What is the severity of CVE-2023-20588?
CVE-2023-20588 has been scored as a medium severity vulnerability.
How to fix CVE-2023-20588?
To fix CVE-2023-20588, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20588 being actively exploited in the wild?
It is possible that CVE-2023-20588 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20588?
CVE-2023-20588 affects AMD EPYC™ 7001 Processors, AMD Athlon™ 3000 Series Processors with Radeon™ Graphics , AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics, AMD Athlon™ PRO 3000 Series Processors with Radeon™ Vega Graphics , AMD Ryzen™ PRO 3000 Series Processors with Radeon™ Vega Graphics.
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