CVE-2025-68205 (GCVE-0-2025-68205)
Vulnerability from cvelistv5
Published
2025-12-16 13:48
Modified
2025-12-16 13:48
Severity ?
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: ad781b550f9a8829e3dae4bd3d18c4a126a53d04
Version: ad781b550f9a8829e3dae4bd3d18c4a126a53d04
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          "product": "Linux",
          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda/hdmi: Fix breakage at probing nvhdmi-mcp driver\n\nAfter restructuring and splitting the HDMI codec driver code, each\nHDMI codec driver contains the own build_controls and build_pcms ops.\nA copy-n-paste error put the wrong entries for nvhdmi-mcp driver; both\nbuild_controls and build_pcms are swapped.  Unfortunately both\ncallbacks have the very same form, and the compiler didn\u0027t complain\nit, either.  This resulted in a NULL dereference because the PCM\ninstance hasn\u0027t been initialized at calling the build_controls\ncallback.\n\nFix it by passing the proper entries."
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    "datePublished": "2025-12-16T13:48:32.888Z",
    "dateReserved": "2025-12-16T13:41:40.255Z",
    "dateUpdated": "2025-12-16T13:48:32.888Z",
    "state": "PUBLISHED"
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