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CVE-2023-20593

Date: July 24, 2023

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

Language: C

Severity Score

5.5

Related Resources (39)

Url: http://www.openwall.com/lists/oss-security/2023/09/22/9

Url: http://www.openwall.com/lists/oss-security/2023/09/25/7

Url: http://seclists.org/fulldisclosure/2023/Jul/43

Url: https://www.debian.org/security/2023/dsa-5461

Url: https://www.debian.org/security/2023/dsa-5462

Url: https://security-tracker.debian.org/tracker/CVE-2023-20593

Url: http://www.openwall.com/lists/oss-security/2023/07/25/13

Url: http://www.openwall.com/lists/oss-security/2023/07/25/14

Url: http://www.openwall.com/lists/oss-security/2023/09/25/4

Url: http://www.openwall.com/lists/oss-security/2023/07/25/12

Url: https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2023-20593

Url: https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html

Url: https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html

Url: http://www.openwall.com/lists/oss-security/2023/08/08/7

Url: http://www.openwall.com/lists/oss-security/2023/08/08/6

Url: http://www.openwall.com/lists/oss-security/2023/07/31/2

Url: http://www.openwall.com/lists/oss-security/2023/09/22/11

Url: http://www.openwall.com/lists/oss-security/2023/08/08/8

Url: https://cmpxchg8b.com/zenbleed.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/

Url: http://xenbits.xen.org/xsa/advisory-433.html

Url: https://www.debian.org/security/2023/dsa-5459

Url: http://www.openwall.com/lists/oss-security/2023/07/25/17

Url: http://www.openwall.com/lists/oss-security/2023/07/25/15

Url: http://www.openwall.com/lists/oss-security/2023/07/25/16

Url: http://www.openwall.com/lists/oss-security/2023/07/25/6

Url: https://access.redhat.com/security/cve/CVE-2023-20593

Url: http://www.openwall.com/lists/oss-security/2023/07/25/5

Url: http://www.openwall.com/lists/oss-security/2023/07/24/3

Url: http://www.openwall.com/lists/oss-security/2023/07/26/1

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/

Url: http://www.openwall.com/lists/oss-security/2023/08/16/5

Url: http://www.openwall.com/lists/oss-security/2023/07/25/1

Url: http://www.openwall.com/lists/oss-security/2023/08/16/4

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/

Url: https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008

Url: https://security.netapp.com/advisory/ntap-20240531-0004/

Url: https://www.mend.io/vulnerability-database/CVE-2023-20593

Severity Score

5.5

Weakness Type (CWE)

Generation of Error Message Containing Sensitive Information

CWE-209

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

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