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Race Condition The advisory has been revoked - it doesn't affect any version of package kernel-headers  (opens in a new tab)

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  • Snyk IDSNYK-RHEL10-KERNELHEADERS-11200013
  • published30 Jul 2025
  • disclosed18 Jun 2025
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Introduced: 18 Jun 2025

CVE-2025-38078  (opens in a new tab)
CWE-366  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

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

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

ALSA: pcm: Fix race of buffer access at PCM OSS layer

The PCM OSS layer tries to clear the buffer with the silence data at initialization (or reconfiguration) of a stream with the explicit call of snd_pcm_format_set_silence() with runtime->dma_area. But this may lead to a UAF because the accessed runtime->dma_area might be freed concurrently, as it's performed outside the PCM ops.

For avoiding it, move the code into the PCM core and perform it inside the buffer access lock, so that it won't be changed during the operation.

References