CVE - CVE-2022-49427

CVE-ID
CVE-2022-49427	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Remove clk_disable in mtk_iommu_remove After the commit b34ea31fe013 ("iommu/mediatek: Always enable the clk on resume"), the iommu clock is controlled by the runtime callback. thus remove the clk control in the mtk_iommu_remove. Otherwise, it will warning like: echo 14018000.iommu > /sys/bus/platform/drivers/mtk-iommu/unbind [ 51.413044] ------------[ cut here ]------------ [ 51.413648] vpp0_smi_iommu already disabled [ 51.414233] WARNING: CPU: 2 PID: 157 at */v5.15-rc1/kernel/mediatek/ drivers/clk/clk.c:952 clk_core_disable+0xb0/0xb8 [ 51.417174] Hardware name: MT8195V/C(ENG) (DT) [ 51.418635] pc : clk_core_disable+0xb0/0xb8 [ 51.419177] lr : clk_core_disable+0xb0/0xb8 ... [ 51.429375] Call trace: [ 51.429694] clk_core_disable+0xb0/0xb8 [ 51.430193] clk_core_disable_lock+0x24/0x40 [ 51.430745] clk_disable+0x20/0x30 [ 51.431189] mtk_iommu_remove+0x58/0x118 [ 51.431705] platform_remove+0x28/0x60 [ 51.432197] device_release_driver_internal+0x110/0x1f0 [ 51.432873] device_driver_detach+0x18/0x28 [ 51.433418] unbind_store+0xd4/0x108 [ 51.433886] drv_attr_store+0x24/0x38 [ 51.434363] sysfs_kf_write+0x40/0x58 [ 51.434843] kernfs_fop_write_iter+0x164/0x1e0
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/053465ab20dcd324a43a1811ee98e5721e6a3e65 URL:https://git.kernel.org/stable/c/053465ab20dcd324a43a1811ee98e5721e6a3e65 MISC:https://git.kernel.org/stable/c/6eaa046c696c83542c56765cdde564d9818ff1fb URL:https://git.kernel.org/stable/c/6eaa046c696c83542c56765cdde564d9818ff1fb MISC:https://git.kernel.org/stable/c/98df772bdd1c4ce717a26289efea15cbbe4b64ed URL:https://git.kernel.org/stable/c/98df772bdd1c4ce717a26289efea15cbbe4b64ed MISC:https://git.kernel.org/stable/c/9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1 URL:https://git.kernel.org/stable/c/9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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