{"api_version":"1","generated_at":"2026-09-26T23:34:06+00:00","cve":"CVE-2026-98093","urls":{"html":"https://cve.report/CVE-2026-98093","api":"https://cve.report/api/cve/CVE-2026-98093.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98093","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98093"},"summary":{"title":"ASoC: fsl_micfil: balance mclk enable/disable","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_micfil: balance mclk enable/disable\n\nhw_params() enables mclk unconditionally and hw_free() disables it\nunconditionally, but the PCM core does not guarantee 1:1 pairing:\nhw_free() can run without hw_params(), and hw_params() can be called\nmultiple times from the SETUP state. This triggers an \"already\ndisabled\" WARN() in the first case and leaks an enable reference in\nthe second, leaving the clock ungateable.\n\nGuard both sides with the existing mclk_flag, as fsl_sai.c does with\nmclk_streams.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-25 11:17:39","updated_at":"2026-09-25 11:17:39"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56","name":"https://git.kernel.org/stable/c/d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5","name":"https://git.kernel.org/stable/c/fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/470db2026a435b79f7ecb4d65523ea16a99d55d8","name":"https://git.kernel.org/stable/c/470db2026a435b79f7ecb4d65523ea16a99d55d8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98093","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98093","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b47024dc624bcffb89d238f4a5b490363cea2a1e 470db2026a435b79f7ecb4d65523ea16a99d55d8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b47024dc624bcffb89d238f4a5b490363cea2a1e fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected b47024dc624bcffb89d238f4a5b490363cea2a1e d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.7 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["sound/soc/fsl/fsl_micfil.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"470db2026a435b79f7ecb4d65523ea16a99d55d8","status":"affected","version":"b47024dc624bcffb89d238f4a5b490363cea2a1e","versionType":"git"},{"lessThan":"fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5","status":"affected","version":"b47024dc624bcffb89d238f4a5b490363cea2a1e","versionType":"git"},{"lessThan":"d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56","status":"affected","version":"b47024dc624bcffb89d238f4a5b490363cea2a1e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["sound/soc/fsl/fsl_micfil.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.7","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc3","versionStartIncluding":"6.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_micfil: balance mclk enable/disable\n\nhw_params() enables mclk unconditionally and hw_free() disables it\nunconditionally, but the PCM core does not guarantee 1:1 pairing:\nhw_free() can run without hw_params(), and hw_params() can be called\nmultiple times from the SETUP state. This triggers an \"already\ndisabled\" WARN() in the first case and leaks an enable reference in\nthe second, leaving the clock ungateable.\n\nGuard both sides with the existing mclk_flag, as fsl_sai.c does with\nmclk_streams."}],"providerMetadata":{"dateUpdated":"2026-09-25T10:24:25.285Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/470db2026a435b79f7ecb4d65523ea16a99d55d8"},{"url":"https://git.kernel.org/stable/c/fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5"},{"url":"https://git.kernel.org/stable/c/d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56"}],"title":"ASoC: fsl_micfil: balance mclk enable/disable","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98093","datePublished":"2026-09-25T10:24:25.285Z","dateReserved":"2026-09-25T10:19:56.076Z","dateUpdated":"2026-09-25T10:24:25.285Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-25 11:17:39","lastModifiedDate":"2026-09-25 11:17:39","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98093","Ordinal":"1","Title":"ASoC: fsl_micfil: balance mclk enable/disable","CVE":"CVE-2026-98093","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98093","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_micfil: balance mclk enable/disable\n\nhw_params() enables mclk unconditionally and hw_free() disables it\nunconditionally, but the PCM core does not guarantee 1:1 pairing:\nhw_free() can run without hw_params(), and hw_params() can be called\nmultiple times from the SETUP state. This triggers an \"already\ndisabled\" WARN() in the first case and leaks an enable reference in\nthe second, leaving the clock ungateable.\n\nGuard both sides with the existing mclk_flag, as fsl_sai.c does with\nmclk_streams.","Type":"Description","Title":"ASoC: fsl_micfil: balance mclk enable/disable"}]}}}