ASoC: mediatek: mt8192: Check runtime resume during probe

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Summary

CVECVE-2026-72260
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-15 06:21:54 UTC
Updated2026-08-17 06:18:28 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8192: Check runtime resume during probe The MT8192 AFE probe enables runtime PM temporarily while reinitializing the regmap cache from hardware, but it uses pm_runtime_get_sync() without checking the return value. If runtime resume fails, probe keeps going without the device necessarily being accessible, and pm_runtime_get_sync() may leave the PM usage count incremented. The regmap_reinit_cache() failure path also returns before dropping the temporary PM reference and before clearing pm_runtime_bypass_reg_ctl. Use pm_runtime_resume_and_get() so resume failures do not leak a usage count, and clear the temporary bypass flag after dropping the probe PM reference on all regmap_reinit_cache() outcomes.

Risk And Classification

EPSS: 0.002100000 probability, percentile 0.115030000 (date 2026-08-17)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 125ab5d588b0b3b842064c4d53a666ca74521ae8 6e2ee6eacc3ec7b339753abcf33812d27e03efe5 git Not specified
CNA Linux Linux affected 125ab5d588b0b3b842064c4d53a666ca74521ae8 faa97a1a6cab01cd3e2055deb4db4e57efc43ff2 git Not specified
CNA Linux Linux affected 125ab5d588b0b3b842064c4d53a666ca74521ae8 e0f276f1918a202e9c3ac72baffd311cecb6b8db git Not specified
CNA Linux Linux affected 125ab5d588b0b3b842064c4d53a666ca74521ae8 f6e424835cc05d215c57b6370b2c1e353dd02915 git Not specified
CNA Linux Linux affected 125ab5d588b0b3b842064c4d53a666ca74521ae8 e24d5dde56a50946020b134fa8448869093db76a git Not specified
CNA Linux Linux affected 5.11 Not specified
CNA Linux Linux unaffected 5.11 semver Not specified
CNA Linux Linux unaffected 6.6.148 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.101 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.40 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.5 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/e0f276f1918a202e9c3ac72baffd311cecb6b8db 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f6e424835cc05d215c57b6370b2c1e353dd02915 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6e2ee6eacc3ec7b339753abcf33812d27e03efe5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e24d5dde56a50946020b134fa8448869093db76a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/faa97a1a6cab01cd3e2055deb4db4e57efc43ff2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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