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")
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Dec 31, 2025 | Dec 31, 2025 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 30, 2025 |
| Ubuntu | — | Upgrade linux-azureUpgrade linux-lowlatency-hwe-5.15Upgrade linux-azure-fdeUpgrade linux-nvidiaUpgrade linux-gkeUpgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-lowlatencyUpgrade linux-nvidia-tegra-5.15Upgrade linux-gcp-5.15Upgrade linux-kvmUpgrade linux-realtimeUpgrade linux-raspiUpgrade linux-aws-5.15Upgrade linux-oracle-5.15Upgrade linux-awsUpgrade linux-ibmUpgrade linux-oracleUpgrade linux-bluefieldUpgrade linux-intel-iotgUpgrade linux-gcpUpgrade linuxUpgrade linux-riscv-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-gkeopUpgrade linux-azure-5.15 | Jan 6, 2026 | Jan 2, 2026 |
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