Improper Input Validation Affecting kernel-debug-core package, versions <0:4.18.0-372.9.1.el8
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGCORE-4252777
- published 26 Jul 2021
- disclosed 20 Jun 2021
How to fix?
Upgrade RHEL:8 kernel-debug-core 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-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.
An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
References
- https://security.netapp.com/advisory/ntap-20210805-0005/
- https://access.redhat.com/security/cve/CVE-2021-3612
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/
- https://bugzilla.redhat.com/show_bug.cgi?id=1974079
- https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82@gmail.com/
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://access.redhat.com/errata/RHSA-2022:1988
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/
- https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/