vulnerability
Ubuntu: (CVE-2022-50820): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Jan 2, 2026 | Jan 6, 2026 | Jan 7, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Jan 2, 2026
Added
Jan 6, 2026
Modified
Jan 7, 2026
Description
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")
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-aws-5-15ubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-15ubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-gcpubuntu-upgrade-linux-gcp-5-15ubuntu-upgrade-linux-gkeubuntu-upgrade-linux-gkeopubuntu-upgrade-linux-hwe-5-15ubuntu-upgrade-linux-ibmubuntu-upgrade-linux-intel-iot-realtimeubuntu-upgrade-linux-intel-iotgubuntu-upgrade-linux-intel-iotg-5-15ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-lowlatencyubuntu-upgrade-linux-lowlatency-hwe-5-15ubuntu-upgrade-linux-nvidiaubuntu-upgrade-linux-nvidia-tegra-5-15ubuntu-upgrade-linux-oracleubuntu-upgrade-linux-oracle-5-15ubuntu-upgrade-linux-raspiubuntu-upgrade-linux-realtimeubuntu-upgrade-linux-riscv-5-15
References
- CVE-2022-50820
- https://attackerkb.com/topics/CVE-2022-50820
- URL-https://git.kernel.org/linus/d9f564c966e63925aac4ba273a9319d7fb6f4b4e
- URL-https://git.kernel.org/stable/c/adf7c3bbcc819db6e95b6a61c9822230f0ef4778
- URL-https://git.kernel.org/stable/c/af170afa97e50d4169cfaa7ff4ec5d3841182641
- URL-https://git.kernel.org/stable/c/b99fbe8d949a99fe456f08c7aad421327685aa50
- URL-https://git.kernel.org/stable/c/d9f564c966e63925aac4ba273a9319d7fb6f4b4e
- URL-https://www.cve.org/CVERecord?id=CVE-2022-50820
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