Logging of Excessive Data Affecting kernel-debug-devel package, versions *
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Test your applications- Snyk ID SNYK-RHEL8-KERNELDEBUGDEVEL-6978771
- published 22 May 2024
- disclosed 21 May 2024
Introduced: 21 May 2024
CVE-2021-47374 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:8 kernel-debug-devel.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
dma-debug: prevent an error message from causing runtime problems
For some drivers, that use the DMA API. This error message can be reached several millions of times per second, causing spam to the kernel's printk buffer and bringing the CPU usage up to 100% (so, it should be rate limited). However, since there is at least one driver that is in the mainline and suffers from the error condition, it is more useful to err_printk() here instead of just rate limiting the error message (in hopes that it will make it easier for other drivers that suffer from this issue to be spotted).