Improper Validation of Array Index Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-372.9.1.rt7.166.el8
Threat Intelligence
EPSS
0.08% (34th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGKVM-1973232
- published 7 Nov 2021
- disclosed 24 Sep 2021
How to fix?
Upgrade Centos:8 kernel-rt-debug-kvm to version 0:4.18.0-372.9.1.rt7.166.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
An issue was discovered in the Linux kernel before 5.14.15. There is an array-index-out-of-bounds flaw in the detach_capi_ctr function in drivers/isdn/capi/kcapi.c.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2013180
- https://access.redhat.com/security/cve/CVE-2021-43389
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1f3e2e97c003f80c4b087092b225c8787ff91e4d
- https://lore.kernel.org/netdev/CAFcO6XOvGQrRTaTkaJ0p3zR7y7nrAWD79r48=L_BbOyrK9X-vA@mail.gmail.com/
- https://seclists.org/oss-sec/2021/q4/39
- http://www.openwall.com/lists/oss-security/2021/11/05/1
- https://access.redhat.com/errata/RHSA-2022:1975
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://www.debian.org/security/2022/dsa-5096
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://lore.kernel.org/netdev/CAFcO6XOvGQrRTaTkaJ0p3zR7y7nrAWD79r48=L_BbOyrK9X-vA%40mail.gmail.com/
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