Divide By Zero Affecting kernel package, versions <0:4.14.322-244.539.amzn2
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-5882138
- published 6 Sep 2023
- disclosed 8 Aug 2023
Introduced: 8 Aug 2023
CVE-2023-20588 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.322-244.539.amzn2 or higher.
This issue was patched in ALAS2-2023-2232.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20588
- https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7007
- https://www.debian.org/security/2023/dsa-5480
- https://www.debian.org/security/2023/dsa-5492
- http://www.openwall.com/lists/oss-security/2023/09/25/3
- http://www.openwall.com/lists/oss-security/2023/09/25/4
- http://www.openwall.com/lists/oss-security/2023/09/25/5
- http://www.openwall.com/lists/oss-security/2023/09/25/7
- http://www.openwall.com/lists/oss-security/2023/09/25/8
- http://www.openwall.com/lists/oss-security/2023/09/26/5
- http://www.openwall.com/lists/oss-security/2023/09/26/8
- http://www.openwall.com/lists/oss-security/2023/09/26/9
- http://www.openwall.com/lists/oss-security/2023/09/27/1
- http://www.openwall.com/lists/oss-security/2023/10/03/12
- http://www.openwall.com/lists/oss-security/2023/10/03/13
- http://www.openwall.com/lists/oss-security/2023/10/03/14
- http://www.openwall.com/lists/oss-security/2023/10/03/15
- http://www.openwall.com/lists/oss-security/2023/10/03/16
- http://www.openwall.com/lists/oss-security/2023/10/03/9
- http://www.openwall.com/lists/oss-security/2023/10/04/1
- http://www.openwall.com/lists/oss-security/2023/10/04/2
- http://www.openwall.com/lists/oss-security/2023/10/04/3
- http://www.openwall.com/lists/oss-security/2023/10/04/4
- http://xenbits.xen.org/xsa/advisory-439.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGZCACEHT6ZZZGG36QQMGROBM4FLWYJX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DIOYP4ZOBML4RCUM3MHRFZUQL445MZM3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJTUVYZMP6BNF342DS3W7XGOGXC6JPN5/
- https://security.netapp.com/advisory/ntap-20240531-0005/
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