What’s Vulnerable › Vulnerabilities

CVE-2022-50632: drivers: perf: marvell_cn10k: Fix hotplug callback leak in tad_pmu_init()

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-09 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drivers: perf: marvell_cn10k: Fix hotplug callback leak in tad_pmu_init() tad_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")

Affected products

• Linux kernel: 5.17 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/367404bfd1aa87b2a50059cd8edc6c12c367cd15
• https://git.kernel.org/stable/c/7772f4de934123ccd7c7cdc1dc4e46fdd5d767fb
• https://git.kernel.org/stable/c/973ae93d80d9d262f695eb485a1902b74c4b9098

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