CVE-2022-50820perf/arm_dmc620: Fix hotplug callback leak in dmc620_pmu_init()
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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")
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Deferred
- Record last updated
- May 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 53c218da220c3619b5befec4674ffa35d590092a before b99fbe8d949a99fe456f08c7aad421327685aa50; from 53c218da220c3619b5befec4674ffa35d590092a before af170afa97e50d4169cfaa7ff4ec5d3841182641; from 53c218da220c3619b5befec4674ffa35d590092a before adf7c3bbcc819db6e95b6a61c9822230f0ef4778; from 53c218da220c3619b5befec4674ffa35d590092a before d9f564c966e63925aac4ba273a9319d7fb6f4b4e | CNA record |
References
- https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50
- https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641
- https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778
- https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.