CVE-2023-20593
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
6.7 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
22.7%
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
References
seclists.org/fulldisclosure/2023/Jul/43
www.openwall.com/lists/oss-security/2023/07/24/3
www.openwall.com/lists/oss-security/2023/07/25/1
www.openwall.com/lists/oss-security/2023/07/25/12
www.openwall.com/lists/oss-security/2023/07/25/13
www.openwall.com/lists/oss-security/2023/07/25/14
www.openwall.com/lists/oss-security/2023/07/25/15
www.openwall.com/lists/oss-security/2023/07/25/16
www.openwall.com/lists/oss-security/2023/07/25/17
www.openwall.com/lists/oss-security/2023/07/25/5
www.openwall.com/lists/oss-security/2023/07/25/6
www.openwall.com/lists/oss-security/2023/07/26/1
www.openwall.com/lists/oss-security/2023/07/31/2
www.openwall.com/lists/oss-security/2023/08/08/6
www.openwall.com/lists/oss-security/2023/08/08/7
www.openwall.com/lists/oss-security/2023/08/08/8
www.openwall.com/lists/oss-security/2023/08/16/4
www.openwall.com/lists/oss-security/2023/08/16/5
www.openwall.com/lists/oss-security/2023/09/22/11
www.openwall.com/lists/oss-security/2023/09/22/9
www.openwall.com/lists/oss-security/2023/09/25/4
www.openwall.com/lists/oss-security/2023/09/25/7
xenbits.xen.org/xsa/advisory-433.html
cmpxchg8b.com/zenbleed.html
lists.debian.org/debian-lts-announce/2023/07/msg00030.html
lists.debian.org/debian-lts-announce/2023/07/msg00033.html
lists.debian.org/debian-lts-announce/2023/08/msg00001.html
lists.fedoraproject.org/archives/list/[email protected]/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
lists.fedoraproject.org/archives/list/[email protected]/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
lists.fedoraproject.org/archives/list/[email protected]/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
www.debian.org/security/2023/dsa-5459
www.debian.org/security/2023/dsa-5461
www.debian.org/security/2023/dsa-5462
Social References
More
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
6.7 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
22.7%