CVE-2022-50820
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init() dmc620_pmu_init() won't remove the callback added by cpuhp_setup_state_multi() when platform_driver_register() failed. Remove the callback by cpuhp_remove_multi_state() in fail path. Similar to the handling of arm_ccn_init() in commit 26242b330093 ("bus: arm-ccn: Prevent hotplug callback leak")
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 30, 2025
First seenDec 30, 2025
How to fix
Update
- Linux Linuxb99fbe8d949a99fe456f08c7aad421327685aa50, af170afa97e50d4169cfaa7ff4ec5d3841182641, adf7c3bbcc819db6e95b6a61c9822230f0ef4778, d9f564c966e63925aac4ba273a9319d7fb6f4b4e or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 53c218da220c3619b5befec4674ffa35d590092a ≤ v < b99fbe8d949a99fe456f08c7aad421327685aa50, 53c218da220c3619b5befec4674ffa35d590092a ≤ v < af170afa97e50d4169cfaa7ff4ec5d3841182641, 53c218da220c3619b5befec4674ffa35d590092a ≤ v < adf7c3bbcc819db6e95b6a61c9822230f0ef4778, 53c218da220c3619b5befec4674ffa35d590092a ≤ v < d9f564c966e63925aac4ba273a9319d7fb6f4b4e, 5.11 | b99fbe8d949a99fe456f08c7aad421327685aa50, af170afa97e50d4169cfaa7ff4ec5d3841182641, adf7c3bbcc819db6e95b6a61c9822230f0ef4778, d9f564c966e63925aac4ba273a9319d7fb6f4b4e |
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