Incomplete Cleanup Affecting kernel-debug-core package, versions <0:4.18.0-193.93.1.el8_2
Threat Intelligence
EPSS
0.05% (20th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGCORE-4066742
- published 10 Aug 2022
- disclosed 14 Jun 2022
Introduced: 14 Jun 2022
CVE-2022-21123 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-debug-core to version 0:4.18.0-193.93.1.el8_2 or higher.
This issue was patched in RHSA-2022:7279.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.
References
- https://access.redhat.com/security/cve/CVE-2022-21123
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FHTEW3RXU2GW6S3RCPQG4VNCZGI3TOSV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MCVOMHBQRH4KP7IN6U24CW7F2D2L5KBS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T4P2KJYL74KGLHE4JZETVW7PZH6ZIABA/
- http://www.openwall.com/lists/oss-security/2022/06/16/1
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHTEW3RXU2GW6S3RCPQG4VNCZGI3TOSV/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCVOMHBQRH4KP7IN6U24CW7F2D2L5KBS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4P2KJYL74KGLHE4JZETVW7PZH6ZIABA/
- https://security.gentoo.org/glsa/202208-23
- https://security.netapp.com/advisory/ntap-20220624-0008/
- https://www.debian.org/security/2022/dsa-5173
- https://www.debian.org/security/2022/dsa-5178
- https://www.debian.org/security/2022/dsa-5184
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
CVSS Scores
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