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CVE-2026-31775
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2026-05-01T15:16:40.863 · Last modified 2026-06-17T10:34:26.450

Summary

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Don't enumerate SPDIF1 at DAIO initialization The recent refactoring of xfi driver changed the assignment of atc->daios[] at atc_get_resources(); now it loops over all enum DAIOTYP entries while it looped formerly only a part of them. The problem is that the last entry, SPDIF1, is a special type that is used only for hw20k1 CTSB073X model (as a replacement of SPDIFIO), and there is no corresponding definition for hw20k2. Due to the lack of the info, it caused a kernel crash on hw20k2, which was already worked around by the commit b045ab3dff97 ("ALSA: ctxfi: Fix missing SPDIFI1 index handling"). This patch addresses the root cause of the regression above properly, simply by skipping the incorrect SPDIF1 typ

Affected products

linux — linux_kernel

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References

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