ASoC: codecs: pcm512x: fix null-ptr dereference in pcm512x_overclock_xxx_put()

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Summary

CVECVE-2026-64107
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-19 16:17:52 UTC
Updated2026-07-19 16:17:52 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: pcm512x: fix null-ptr dereference in pcm512x_overclock_xxx_put() In the pcm512x chipset driver, pcm512x_overclock_xxx_put() is defined as a general mixer kcontrol instead of a DAPM kcontrol, so struct snd_soc_dapm_context must not be accessed via snd_soc_dapm_kcontrol_to_dapm(). This causes a NULL pointer dereference, so it must be modified to use snd_soc_component_to_dapm().

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 02dbbb7e982a6873f81e69e4fef59a42decb7b1a 285159ca199cbbe424223d4b14db227b279b5767 git Not specified
CNA Linux Linux affected 02dbbb7e982a6873f81e69e4fef59a42decb7b1a 09e8f9a9aa19aa8c1b0cc7a0ebc68f6ecf86a660 git Not specified
CNA Linux Linux affected 6.19 Not specified
CNA Linux Linux unaffected 6.19 semver Not specified
CNA Linux Linux unaffected 7.0.11 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/09e8f9a9aa19aa8c1b0cc7a0ebc68f6ecf86a660 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/285159ca199cbbe424223d4b14db227b279b5767 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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