CVE-2022-50820
perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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")
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 30, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
53c218da220c3619b5befec4674ffa35d590092a < b99fbe8d949a99fe456f08c7aad421327685aa50 53c218da220c3619b5befec4674ffa35d590092a < af170afa97e50d4169cfaa7ff4ec5d3841182641 53c218da220c3619b5befec4674ffa35d590092a < adf7c3bbcc819db6e95b6a61c9822230f0ef4778 53c218da220c3619b5befec4674ffa35d590092a < d9f564c966e63925aac4ba273a9319d7fb6f4b4e
Linux / Linux
5.11
References
git.kernel.org: https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50 git.kernel.org: https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641 git.kernel.org: https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778 git.kernel.org: https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e