Information Exposure Affecting kernel-rt-devel package, versions <0:4.18.0-513.11.1.rt7.313.el8_9
Threat Intelligence
EPSS
0.06% (27th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEVEL-5831679
- published 9 Aug 2023
- disclosed 8 Aug 2023
Introduced: 8 Aug 2023
CVE-2023-20569 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-devel to version 0:4.18.0-513.11.1.rt7.313.el8_9 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-devel package and not the kernel-rt-devel package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.
References
- https://access.redhat.com/security/cve/CVE-2023-20569
- http://www.openwall.com/lists/oss-security/2023/08/08/4
- http://xenbits.xen.org/xsa/advisory-434.html
- https://comsec.ethz.ch/research/microarch/inception/
- https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4E4TZNMLYL2KETY23IPA43QXFAVJ46V/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKK3IA63LSKM4EC3TN4UM6DDEIOWEQIG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/
- https://security.netapp.com/advisory/ntap-20240605-0006/
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7005.html
- https://www.debian.org/security/2023/dsa-5475
CVSS Scores
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