VYPR
Unrated severityNVD Advisory· Published Apr 10, 2024· Updated Dec 18, 2025

ALSA: gus: fix null pointer dereference on pointer block

CVE-2021-47207

Description

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

ALSA: gus: fix null pointer dereference on pointer block

The pointer block return from snd_gf1_dma_next_block could be null, so there is a potential null pointer dereference issue. Fix this by adding a null check before dereference.

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Affected products

190

Patches

Vulnerability mechanics

References

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