CVE-2023-20588— Speculative Leaks

Quick assessment

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Affected

AMD EPYC™ 7001 Processors

Exploitation

High exploitation probability; assess promptly

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AMD Processors是美国超威半导体（AMD）公司的一款处理器。 AMD Processors存在安全漏洞，该漏洞源于存在除数为零缺陷，可能会返回推测数据造成系统机密性丢失。

CVE-2023-20588 affects AMD EPYC™ 7001 Processors. High exploitation probability; assess promptly. AMD Processors是美国超威半导体（AMD）公司的一款处理器。 AMD Processors存在安全漏洞，该漏洞源于存在除数为零缺陷，可能会返回推测数据造成系统机密性丢失。 CVE-2023-20588 vulnerability details, Shenlong CVE Platform, https://cve.imfht.com/detail/CVE-2023-20588

I. Basic Information for CVE-2023-20588

Affected Products

II. Public POCs for CVE-2023-20588

III. Intelligence Information for CVE-2023-20588

Vendor Advisories for CVE-2023-20588 (3)

• https://www.debian.org/security/2023/dsa-5480
• https://security.netapp.com/advisory/ntap-20240531-0005/
• https://www.debian.org/security/2023/dsa-5492

Mailing List Discussions for CVE-2023-20588 (23)

• http://www.openwall.com/lists/oss-security/2023/10/03/13
• http://www.openwall.com/lists/oss-security/2023/10/03/12
• http://www.openwall.com/lists/oss-security/2023/10/04/3
• http://www.openwall.com/lists/oss-security/2023/10/03/14
• http://www.openwall.com/lists/oss-security/2023/09/26/8
• http://www.openwall.com/lists/oss-security/2023/09/25/3
• http://www.openwall.com/lists/oss-security/2023/09/25/5
• https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/
• http://www.openwall.com/lists/oss-security/2023/09/25/4
• http://www.openwall.com/lists/oss-security/2023/09/25/7
• 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/2023/09/27/1
• http://www.openwall.com/lists/oss-security/2023/10/03/15
• http://www.openwall.com/lists/oss-security/2023/09/25/8
• http://www.openwall.com/lists/oss-security/2023/10/03/16
• http://www.openwall.com/lists/oss-security/2023/10/04/4
• 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/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/
• http://www.openwall.com/lists/oss-security/2023/09/26/5
• http://www.openwall.com/lists/oss-security/2023/09/26/9
• http://www.openwall.com/lists/oss-security/2023/10/03/9

Other References for CVE-2023-20588 (2)

• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007 vendor-advisory
• http://xenbits.xen.org/xsa/advisory-439.html

• https://www.cve.org/CVERecord?id=CVE-2023-20588

Same Patch Batch · AMD · 2023-08-08 · 8 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2023-20588