CVE-2026-93184
In the Linux kernel, the following vulnerability has been resolved:
ASoC: fsl_audmix: rework runtime PM handling in probe
After pm_runtime_enable() the AUDMIX block is powered off and stays suspended until the first runtime resume. Register writes issued between probe() and the first resume (e.g. from DAPM or ALSA control paths) target unpowered hardware and cause a system hang.
Fix this by calling pm_runtime_resume_and_get() immediately after pm_runtime_enable() to power the hardware up and enable its clocks. Release the reference afterwards with pm_runtime_put() to allow the runtime PM framework to suspend the device and switch the regmap to cache-only mode when idle.
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When CONFIG_PM is disabled or runtime PM is not enabled, pm_runtime_* calls are stubs that do not power up the hardware. Handle this case explicitly by calling fsl_audmix_runtime_resume() directly so the hardware is always initialised and its clocks are enabled, ensuring register accesses succeed regardless of PM configuration.
CVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.21%
- Percentil entre todas las CVEs puntuadas: 10
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
JSON original (NVD)
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{
"id": "CVE-2026-93184",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
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"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "be1df61cf06efb355c90702e46b8d46f055acb4e",
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"versionType": "git"
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{
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],
"programFiles": [
"sound/soc/fsl/fsl_audmix.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.2"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.110",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.52",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.6",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3-rc1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
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],
"defaultStatus": "affected"
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}
],
"published": "2026-09-17T17:18:14.430",
"references": [
{
"url": "https://git.kernel.org/stable/c/22c944e440bc9b16c4ee409943d69bb8ef575c9e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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{
"url": "https://git.kernel.org/stable/c/3359ba93d01a23b2e4249e9e44ccfe48eb9c5d71",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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{
"url": "https://git.kernel.org/stable/c/b5c3f8015af442c2411722cf8c220cfbae271230",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/e921cc73fae68ccee932ad0a4fb11d637557db0e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Received",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: fsl_audmix: rework runtime PM handling in probe\n\nAfter pm_runtime_enable() the AUDMIX block is powered off and stays\nsuspended until the first runtime resume. Register writes issued between\nprobe() and the first resume (e.g. from DAPM or ALSA control paths)\ntarget unpowered hardware and cause a system hang.\n\nFix this by calling pm_runtime_resume_and_get() immediately after\npm_runtime_enable() to power the hardware up and enable its clocks.\nRelease the reference afterwards with pm_runtime_put() to allow the\nruntime PM framework to suspend the device and switch the regmap to\ncache-only mode when idle.\n\nWhen CONFIG_PM is disabled or runtime PM is not enabled, pm_runtime_*\ncalls are stubs that do not power up the hardware. Handle this case\nexplicitly by calling fsl_audmix_runtime_resume() directly so the\nhardware is always initialised and its clocks are enabled, ensuring\nregister accesses succeed regardless of PM configuration."
}
],
"lastModified": "2026-09-17T17:18:14.430",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}