CVE-2023-20588
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.4 Medium
AI Score
Confidence
High
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:S/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
18.7%
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
References
www.openwall.com/lists/oss-security/2023/09/25/3
www.openwall.com/lists/oss-security/2023/09/25/4
www.openwall.com/lists/oss-security/2023/09/25/5
www.openwall.com/lists/oss-security/2023/09/25/7
www.openwall.com/lists/oss-security/2023/09/25/8
www.openwall.com/lists/oss-security/2023/09/26/5
www.openwall.com/lists/oss-security/2023/09/26/8
www.openwall.com/lists/oss-security/2023/09/26/9
www.openwall.com/lists/oss-security/2023/09/27/1
www.openwall.com/lists/oss-security/2023/10/03/12
www.openwall.com/lists/oss-security/2023/10/03/13
www.openwall.com/lists/oss-security/2023/10/03/14
www.openwall.com/lists/oss-security/2023/10/03/15
www.openwall.com/lists/oss-security/2023/10/03/16
www.openwall.com/lists/oss-security/2023/10/03/9
www.openwall.com/lists/oss-security/2023/10/04/1
www.openwall.com/lists/oss-security/2023/10/04/2
www.openwall.com/lists/oss-security/2023/10/04/3
www.openwall.com/lists/oss-security/2023/10/04/4
xenbits.xen.org/xsa/advisory-439.html
lists.debian.org/debian-lts-announce/2023/10/msg00027.html
lists.fedoraproject.org/archives/list/[email protected]/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/
lists.fedoraproject.org/archives/list/[email protected]/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/
lists.fedoraproject.org/archives/list/[email protected]/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/
www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007
www.debian.org/security/2023/dsa-5480
www.debian.org/security/2023/dsa-5492
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
5.4 Medium
AI Score
Confidence
High
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:S/C:P/I:N/A:N
0.001 Low
EPSS
Percentile
18.7%