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CVE-2026-80910: ASoC: codecs: lpass-wsa-macro: Fix enum kcontrol accesses

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-04

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: lpass-wsa-macro: Fix enum kcontrol accesses EAR SPKR PA Gain" and the four "WSA RX* Mux" controls are enumerated, but their get and put callbacks access the value through ucontrol->value.integer.value[0] (a long) instead of ucontrol->value.enumerated.item[0] (an unsigned int). This same pattern was fixed in the sibling drivers by commit bcfe5f76cc40 ("ASoC: codecs: rx-macro: fix accessing array out of bounds for enum type") and commit 0ea5eff7c606 ("ASoC: codecs: va-macro: fix accessing array out of bounds for enum type"), but wsa-macro was missed. On 64-bit kernels with CONFIG_SND_CTL_DEBUG this trips the elem value sanity check and every read of these controls fails with -EINVAL.

Affected products

• Linux kernel: 5.11 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2fe7a89b2b5b73be35c1e493d0246314ba54e427
• https://git.kernel.org/stable/c/4bcac4bf304a3ec746192e49a669c236aaf27dbf
• https://git.kernel.org/stable/c/524aa7b9954b0a43dd13f71ecbbac52a151c326d
• https://git.kernel.org/stable/c/56f24311fd5607588a47e44675195a9efb200f29
• https://git.kernel.org/stable/c/7bcdde412e6c744f6135e02b12a735e2e37b639f
• https://git.kernel.org/stable/c/891129df5de79cd533ae335c6eab24df2ff2b0fd
• https://git.kernel.org/stable/c/bd4e5f9c3b764dc0e2a5662f92d63d2f3767a78d

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