High 7.8Published Sep 25, 2026

CVE-2026-98093ASoC: fsl_micfil: balance mclk enable/disable

Updated under an hour ago (Oct 28, 2026, 11:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_micfil: balance mclk enable/disable hw_params() enables mclk unconditionally and hw_free() disables it unconditionally, but the PCM core does not guarantee 1:1 pairing: hw_free() can run without hw_params(), and hw_params() can be called multiple times from the SETUP state. This triggers an "already disabled" WARN() in the first case and leaks an enable reference in the second, leaving the clock ungateable. Guard both sides with the existing mclk_flag, as fsl_sai.c does with mclk_streams.

CVSS: 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Analyzed
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from b47024dc624bcffb89d238f4a5b490363cea2a1e before 470db2026a435b79f7ecb4d65523ea16a99d55d8; from b47024dc624bcffb89d238f4a5b490363cea2a1e before fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5; from b47024dc624bcffb89d238f4a5b490363cea2a1e before d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56	CNA record
linux linux_kernel linux:linux_kernel	from 6.13 before 6.18.53; from 6.19 before 7.2.7; 7.3; 7.3	NVD

References

References

https://git.kernel.org/stable/c/470db2026a435b79f7ecb4d65523ea16a99d55d8	patch
https://git.kernel.org/stable/c/fa1bbe3534499dd89d3b0b941d6dd4ddb70c31b5	patch
https://git.kernel.org/stable/c/d3dbccfe6afa7b9a6a7ed65cfaa76a47fa050a56	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.