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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")

PUBLISHED Reserved 2025-12-30 | Published 2025-12-30 | Updated 2025-12-30 | Assigner Linux

Product status

Default status
unaffected

53c218da220c3619b5befec4674ffa35d590092a (git) before b99fbe8d949a99fe456f08c7aad421327685aa50
affected

53c218da220c3619b5befec4674ffa35d590092a (git) before af170afa97e50d4169cfaa7ff4ec5d3841182641
affected

53c218da220c3619b5befec4674ffa35d590092a (git) before adf7c3bbcc819db6e95b6a61c9822230f0ef4778
affected

53c218da220c3619b5befec4674ffa35d590092a (git) before d9f564c966e63925aac4ba273a9319d7fb6f4b4e
affected

Default status
affected

5.11
affected

Any version before 5.11
unaffected

5.15.86 (semver)
unaffected

6.0.16 (semver)
unaffected

6.1.2 (semver)
unaffected

6.2 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/b99fbe8d949a99fe456f08c7aad421327685aa50

git.kernel.org/...c/af170afa97e50d4169cfaa7ff4ec5d3841182641

git.kernel.org/...c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778

git.kernel.org/...c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e

cve.org (CVE-2022-50820)

nvd.nist.gov (CVE-2022-50820)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.