Out-of-bounds Read Affecting kernel-rt-kvm package, versions *
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTKVM-6489123
- published 26 Mar 2024
- disclosed 25 Mar 2024
Introduced: 25 Mar 2024
CVE-2021-47138 Open this link in a new tabHow to fix?
There is no fixed version for Centos:8 kernel-rt-kvm.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
cxgb4: avoid accessing registers when clearing filters
Hardware register having the server TID base can contain invalid values when adapter is in bad state (for example, due to AER fatal error). Reading these invalid values in the register can lead to out-of-bound memory access. So, fix by using the saved server TID base when clearing filters.
References
- https://access.redhat.com/security/cve/CVE-2021-47138
- https://git.kernel.org/stable/c/02f03883fdb10ad7e66717c70ea163a8d27ae6e7
- https://git.kernel.org/stable/c/0bf49b3c8d8b3a43ce09f1b2db70e5484d31fcdf
- https://git.kernel.org/stable/c/285207a558ab456aa7d8aa877ecc7e91fcc51710
- https://git.kernel.org/stable/c/88c380df84fbd03f9b137c2b9d0a44b9f2f553b0