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CVE-2026-80526: ASoC: tas2562: Validate values for volume writes

• Severity: high (CVSS 7.8 v3.1)
• 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: 2026-08-26 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: tas2562: Validate values for volume writes tas2562_volume_control_put() does not do any validation of the control value written by userspace, it uses it to look up a value in a fixed size array which can easily be overflowed and then writes whatever value it gets back to the device. Add validation that we are loading a value we have in the array.

Affected products

• Linux: 5.7 — fixed in 7.2

How to fix

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

References

• https://git.kernel.org/stable/c/1f389ecd0c35e9e281036e44c121df904f3164c1
• https://git.kernel.org/stable/c/20bdbb1376457ecbf418bf677fd285820d1fc011
• https://git.kernel.org/stable/c/602b209a5cfcf8e891afba12fad109db4141d4b8
• https://git.kernel.org/stable/c/8fb41964f7e4e4207c8999af2056894caa7a252a
• https://git.kernel.org/stable/c/c37a0461c0d0a70c5de4fdbd70449a7f53c12dda
• https://git.kernel.org/stable/c/db488d653d896fcf9ac87e15239924c2928bbc3c

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