CVE-2022-50632

drivers: perf: marvell_cn10k: Fix hotplug callback leak in tad_pmu_init()

published December 8, 2025

CVSS
—
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
What it is

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")

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00197 · 8.9th percentile
Published
2025-12-08T23:59Z
EPSS history
Timeline
  • 08 DEC 23:59Z
    drivers: perf: marvell_cn10k: Fix hotplug callback leak in tad_pmu_init()
    cvelistv5