{"id":"CVE-2026-93187","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc4-topology: Return error for invalid number of formats\n\nWhen the number of input or output formats is zero,\nsof_ipc4_widget_setup_comp_src() and sof_ipc4_…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc4-topology: Return error for invalid number of formats\n\nWhen the number of input or output formats is zero,\nsof_ipc4_widget_setup_comp_src() and sof_ipc4_…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 21a5adffad463344e9aca6ee697f45a079cb3ef5 < 4992cdc4eb97981d6ea66002c5b764a6115edb0c","Linux >= 21a5adffad463344e9aca6ee697f45a079cb3ef5 < 11e828cd6b0f283ebe9dc6b4cffd38e3321e7725","Linux 7.2"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:14.787","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93187","references":[{"url":"https://git.kernel.org/stable/c/11e828cd6b0f283ebe9dc6b4cffd38e3321e7725","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4992cdc4eb97981d6ea66002c5b764a6115edb0c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.726Z","epss":0.00198,"epssPercentile":0.08493,"slug":"CVE-2026-93187","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: ipc4-topology: Return error for invalid number of formats\n\nWhen the number of input or output formats is zero,\nsof_ipc4_widget_setup_comp_src() and sof_ipc4_widget_setup_comp_asrc()\nprint an error and jump to the cleanup label. At that point 'ret' is\nstill 0, because the earlier sof_ipc4_get_audio_fmt() call succeeded, so\nthe function returns success and the caller never finds out that the\nwidget setup actually failed.\n\nSet ret to -EINVAL before the goto so the error gets reported.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}