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Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda/hdmi: Fix breakage at probing nvhdmi-mcp driver After restructuring and splitting the HDMI codec driver code, each HDMI codec driver contains the own build_controls and build_pcms ops. A copy-n-paste error put the wrong entries for nvhdmi-mcp driver; both build_controls and build_pcms are swapped. Unfortunately both callbacks have the very same form, and the compiler didn't complain it, either. This resulted in a NULL dereference because the PCM instance hasn't been initialized at calling the build_controls callback. Fix it by passing the proper entries.

PUBLISHED Reserved 2025-12-16 | Published 2025-12-16 | Updated 2025-12-16 | Assigner Linux

Product status

Default status
unaffected

ad781b550f9a8829e3dae4bd3d18c4a126a53d04 (git) before d2aed6fac1148528181affb781aa683d6569042b
affected

ad781b550f9a8829e3dae4bd3d18c4a126a53d04 (git) before 82420bd4e17bdaba8453fbf9e10c58c9ed0c9727
affected

Default status
affected

6.17
affected

Any version before 6.17
unaffected

6.17.9 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/d2aed6fac1148528181affb781aa683d6569042b

git.kernel.org/...c/82420bd4e17bdaba8453fbf9e10c58c9ed0c9727

cve.org (CVE-2025-68205)

nvd.nist.gov (CVE-2025-68205)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.