CVE-2024-27002 (GCVE-0-2024-27002)

Vulnerability from cvelistv5 – Published: 2024-05-01 05:28 – Updated: 2025-11-04 17:16
VLAI?
Title
clk: mediatek: Do a runtime PM get on controllers during probe
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: Do a runtime PM get on controllers during probe mt8183-mfgcfg has a mutual dependency with genpd during the probing stage, which leads to a deadlock in the following call stack: CPU0: genpd_lock --> clk_prepare_lock genpd_power_off_work_fn() genpd_lock() generic_pm_domain::power_off() clk_unprepare() clk_prepare_lock() CPU1: clk_prepare_lock --> genpd_lock clk_register() __clk_core_init() clk_prepare_lock() clk_pm_runtime_get() genpd_lock() Do a runtime PM get at the probe function to make sure clk_register() won't acquire the genpd lock. Instead of only modifying mt8183-mfgcfg, do this on all mediatek clock controller probings because we don't believe this would cause any regression. Verified on MT8183 and MT8192 Chromebooks.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: acddfc2c261b3653ab1c1b567a427299bac20d31 , < 165d226472575b213dd90dfda19d1605dd7c19a8 (git)
Affected: acddfc2c261b3653ab1c1b567a427299bac20d31 , < c0dcd5c072e2a3fff886f673e6a5d9bf8090c4cc (git)
Affected: acddfc2c261b3653ab1c1b567a427299bac20d31 , < b62ed25feb342eab052822eff0c554873799a4f5 (git)
Affected: acddfc2c261b3653ab1c1b567a427299bac20d31 , < 2f7b1d8b5505efb0057cd1ab85fca206063ea4c3 (git)
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    Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 6.1.88 , ≤ 6.1.* (semver)
Unaffected: 6.6.29 , ≤ 6.6.* (semver)
Unaffected: 6.8.8 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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