perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()
Vulnerability 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")
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-50510
Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/d69bdb61d577297d3851fc9f6403574bf73ef41f
- https://git.kernel.org/stable/c/359286f886feef38536eaa7e673dc3440f03b0a1
- https://git.kernel.org/stable/c/b131304fe722853cf26e55c4fa21fc58a36e7f21
- https://git.kernel.org/stable/c/f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2
- https://git.kernel.org/stable/c/582babe17ea878ec1d76f30e03f3a6ce6e30eb91
- https://git.kernel.org/stable/c/6f2d566b46436a50a80d6445e82879686b89588c
More from Linux
View All →Affected Vendor
Linux
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.