{"cve":"CVE-2022-49427","nvd":{"published":"2025-02-26T07:01:19.187","modified":"2026-06-17T05:18:01.187","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Remove clk_disable in mtk_iommu_remove\n\nAfter the commit b34ea31fe013 (\"iommu/mediatek: Always enable the clk on\nresume\"), the iommu clock is controlled by the runtime callback.\nthus remove the clk control in the mtk_iommu_remove.\n\nOtherwise, it will warning like:\n\necho 14018000.iommu > /sys/bus/platform/drivers/mtk-iommu/unbind\n\n[   51.413044] ------------[ cut here ]------------\n[   51.413648] vpp0_smi_iommu already disabled\n[   51.414233] WARNING: CPU: 2 PID: 157 at */v5.15-rc1/kernel/mediatek/\n                          drivers/clk/clk.c:952 clk_core_disable+0xb0/0xb8\n[   51.417174] Hardware name: MT8195V/C(ENG) (DT)\n[   51.418635] pc : clk_core_disable+0xb0/0xb8\n[   51.419177] lr : clk_core_disable+0xb0/0xb8\n...\n[   51.429375] Call trace:\n[   51.429694]  clk_core_disable+0xb0/0xb8\n[   51.430193]  clk_core_disable_lock+0x24/0x40\n[   51.430745]  clk_disable+0x20/0x30\n[   51.431189]  mtk_iommu_remove+0x58/0x118\n[   51.431705]  platform_remove+0x28/0x60\n[   51.432197]  device_release_driver_internal+0x110/0x1f0\n[   51.432873]  device_driver_detach+0x18/0x28\n[   51.433418]  unbind_store+0xd4/0x108\n[   51.433886]  drv_attr_store+0x24/0x38\n[   51.434363]  sysfs_kf_write+0x40/0x58\n[   51.434843]  kernfs_fop_write_iter+0x164/0x1e0","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/053465ab20dcd324a43a1811ee98e5721e6a3e65","https://git.kernel.org/stable/c/6eaa046c696c83542c56765cdde564d9818ff1fb","https://git.kernel.org/stable/c/98df772bdd1c4ce717a26289efea15cbbe4b64ed","https://git.kernel.org/stable/c/9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49427","score":0.00268,"percentile":0.19033,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}