CVE-2022-50510

MEDIUM

Linux Kernel 5.2-6.1.1 Use-After-Free in SMMUv3 PMU Hotplug Callback

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init() arm_smmu_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")

References (6)

Core 6

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 4.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (20)
linux/Kernel 5.11.0 - 5.15.86linux
linux/Kernel 5.16.0 - 6.0.16linux
linux/Kernel 5.2.0 - 5.4.229linux
linux/Kernel 5.5.0 - 5.10.163linux
linux/Kernel 6.1.0 - 6.1.2linux
Linux/Linux < 5.2
Linux/Linux 5.10.163 - 5.10.*
Linux/Linux 5.15.86 - 5.15.*
Linux/Linux 5.2
Linux/Linux 5.4.229 - 5.4.*
... and 10 more
Published Oct 07, 2025
Tracked Since Feb 18, 2026