Information Exposure Affecting kernel-cross-headers package, versions <0:4.18.0-372.9.1.el8
Threat Intelligence
EPSS
0.04% (11th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-4269206
- published 26 Jul 2021
- disclosed 20 Nov 2020
Introduced: 20 Nov 2020
CVE-2020-4788 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RHSA-2022:1988.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.
References
- https://www.ibm.com/support/pages/node/6370729
- https://access.redhat.com/security/cve/CVE-2020-4788
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/
- http://www.openwall.com/lists/oss-security/2020/11/20/3
- http://www.openwall.com/lists/oss-security/2020/11/23/1
- https://access.redhat.com/errata/RHSA-2022:1988
- https://exchange.xforce.ibmcloud.com/vulnerabilities/189296
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/
- https://www.oracle.com/security-alerts/cpujul2022.html
CVSS Scores
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