CVE-2022-49427
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
iommu/mediatek: Remove clk_disable in mtk_iommu_remove
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
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| b34ea31fe013569d42b7e8681ef3f717f77c5b72 | affected | git | 053465ab20dcd324a43a1811ee98e5721e6a3e65 | Unavailable | None listed |
| b34ea31fe013569d42b7e8681ef3f717f77c5b72 | affected | git | 9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1 | Unavailable | None listed |
| b34ea31fe013569d42b7e8681ef3f717f77c5b72 | affected | git | 6eaa046c696c83542c56765cdde564d9818ff1fb | Unavailable | None listed |
| b34ea31fe013569d42b7e8681ef3f717f77c5b72 | affected | git | 98df772bdd1c4ce717a26289efea15cbbe4b64ed | Unavailable | None listed |
| 5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca | affected | git | Unavailable | Unavailable | None listed |
| 5.12.4 | affected | semver | 5.13 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.13 | Unavailable | None listed |
| 5.15.46 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.17.14 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18.3 | unaffected | semver | Unavailable | 5.18.* | None listed |
| 5.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |