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Resource Injection The advisory has been revoked - it doesn't affect any version of package kernel-cross-headers  (opens in a new tab)

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0.17% (39th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELCROSSHEADERS-12454876
  • published3 Sept 2025
  • disclosed19 Jun 2024
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Introduced: 19 Jun 2024

CVE-2024-38618  (opens in a new tab)
CWE-99  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.

In the Linux kernel, the following vulnerability has been resolved:

ALSA: timer: Set lower bound of start tick time

Currently ALSA timer doesn't have the lower limit of the start tick time, and it allows a very small size, e.g. 1 tick with 1ns resolution for hrtimer. Such a situation may lead to an unexpected RCU stall, where the callback repeatedly queuing the expire update, as reported by fuzzer.

This patch introduces a sanity check of the timer start tick time, so that the system returns an error when a too small start size is set. As of this patch, the lower limit is hard-coded to 100us, which is small enough but can still work somehow.