Improper Zeroization of Hardware Register Affecting kernel-core package, versions <0:5.14.0-284.30.1.el9_2
Threat Intelligence
EPSS
0.09% (39th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-5896069
- published 26 Jul 2023
- disclosed 25 Jul 2023
Introduced: 25 Jul 2023
CVE-2023-20593 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-284.30.1.el9_2 or higher.
This issue was patched in RHSA-2023:5069.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.
References
- https://access.redhat.com/security/cve/CVE-2023-20593
- http://www.openwall.com/lists/oss-security/2023/07/24/3
- http://www.openwall.com/lists/oss-security/2023/07/25/1
- http://www.openwall.com/lists/oss-security/2023/07/25/12
- http://www.openwall.com/lists/oss-security/2023/07/25/13
- http://www.openwall.com/lists/oss-security/2023/07/25/14
- http://www.openwall.com/lists/oss-security/2023/07/25/15
- http://www.openwall.com/lists/oss-security/2023/07/25/16
- http://www.openwall.com/lists/oss-security/2023/07/25/17
- http://www.openwall.com/lists/oss-security/2023/07/25/5
- http://www.openwall.com/lists/oss-security/2023/07/25/6
- http://www.openwall.com/lists/oss-security/2023/07/26/1
- http://www.openwall.com/lists/oss-security/2023/07/31/2
- http://xenbits.xen.org/xsa/advisory-433.html
- https://cmpxchg8b.com/zenbleed.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
- https://lists.debian.org/debian-lts-announce/2023/07/msg00033.html
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7008
- https://www.debian.org/security/2023/dsa-5459
- https://www.debian.org/security/2023/dsa-5461
- https://www.debian.org/security/2023/dsa-5462
- https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
- http://seclists.org/fulldisclosure/2023/Jul/43
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SD2G74BXS2SWOE3FIQJ6X76S3A7PDGML/
- http://www.openwall.com/lists/oss-security/2023/08/08/6
- http://www.openwall.com/lists/oss-security/2023/08/08/7
- http://www.openwall.com/lists/oss-security/2023/08/08/8
- http://www.openwall.com/lists/oss-security/2023/08/16/4
- http://www.openwall.com/lists/oss-security/2023/08/16/5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CP6WQO3CDPLE5O635N7TAL5KCZ6HZ4FE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
- http://www.openwall.com/lists/oss-security/2023/09/22/9
- http://www.openwall.com/lists/oss-security/2023/09/22/11
- http://www.openwall.com/lists/oss-security/2023/09/25/4
- http://www.openwall.com/lists/oss-security/2023/09/25/7
- https://security.netapp.com/advisory/ntap-20240531-0004/
CVSS Scores
version 3.1