Use After Free Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-513.9.1.rt7.311.el8_9
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGKVM-5801389
- published 20 Jul 2023
- disclosed 22 Oct 2022
How to fix?
Upgrade Centos:8 kernel-rt-debug-kvm to version 0:4.18.0-513.9.1.rt7.311.el8_9 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 out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.