Medium severity · published Aug 8, 2023
CVE-2023-20588
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality
5.5
CVSS
11.2%
EPSS
No
On KEV
Description
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)11.2% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AG
Athlon Gold 3150g Firmware · Amd
All versions, or not specified · source: NVD
AG
Athlon Gold 3150ge Firmware · Amd
All versions, or not specified · source: NVD
AG
Athlon Gold Pro 3150g Firmware · Amd
All versions, or not specified · source: NVD
AG
Athlon Gold Pro 3150ge Firmware · Amd
All versions, or not specified · source: NVD
AP
Athlon Pro 300ge Firmware · Amd
All versions, or not specified · source: NVD
AS
Athlon Silver 3050ge Firmware · Amd
All versions, or not specified · source: NVD
AS
Athlon Silver Pro 3125ge Firmware · Amd
All versions, or not specified · source: NVD
DL
Debian Linux · Debian
10.0; 11.0; 12.0 · source: NVD
E7
Epyc 7251 Firmware · Amd
All versions, or not specified · source: NVD
E7
Epyc 7261 Firmware · Amd
All versions, or not specified · source: NVD
E7
Epyc 7281 Firmware · Amd
All versions, or not specified · source: NVD
E7
Epyc 7301 Firmware · Amd
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-20588
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-20588
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/25/3
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/25/4
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/25/5
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/25/7
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/25/8
Mailing List
http://www.openwall.com/lists/oss-security/2023/09/26/5
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