| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Always enable the clk on resume\n\nIn mtk_iommu_runtime_resume always enable the clk, even\nif m4u_dom is null. Otherwise the 'suspend' cb might\ndisable the clk which is already disabled causing the warning:\n\n[ 1.586104] infra_m4u already disabled\n[ 1.586133] WARNING: CPU: 0 PID: 121 at drivers/clk/clk.c:952 clk_core_disable+0xb0/0xb8\n[ 1.594391] mtk-iommu 10205000.iommu: bound 18001000.larb (ops mtk_smi_larb_component_ops)\n[ 1.598108] Modules linked in:\n[ 1.598114] CPU: 0 PID: 121 Comm: kworker/0:2 Not tainted 5.12.0-rc5 #69\n[ 1.609246] mtk-iommu 10205000.iommu: bound 14027000.larb (ops mtk_smi_larb_component_ops)\n[ 1.617487] Hardware name: Google Elm (DT)\n[ 1.617491] Workqueue: pm pm_runtime_work\n[ 1.620545] mtk-iommu 10205000.iommu: bound 19001000.larb (ops mtk_smi_larb_component_ops)\n\n[ 1.627229] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)\n[ 1.659297] pc : clk_core_disable+0xb0/0xb8\n[ 1.663475] lr : clk_core_disable+0xb0/0xb8\n[ 1.667652] sp : ffff800011b9bbe0\n[ 1.670959] x29: ffff800011b9bbe0 x28: 0000000000000000\n[ 1.676267] x27: ffff800011448000 x26: ffff8000100cfd98\n[ 1.681574] x25: ffff800011b9bd48 x24: 0000000000000000\n[ 1.686882] x23: 0000000000000000 x22: ffff8000106fad90\n[ 1.692189] x21: 000000000000000a x20: ffff0000c0048500\n[ 1.697496] x19: ffff0000c0048500 x18: ffffffffffffffff\n[ 1.702804] x17: 0000000000000000 x16: 0000000000000000\n[ 1.708112] x15: ffff800011460300 x14: fffffffffffe0000\n[ 1.713420] x13: ffff8000114602d8 x12: 0720072007200720\n[ 1.718727] x11: 0720072007200720 x10: 0720072007200720\n[ 1.724035] x9 : ffff800011b9bbe0 x8 : ffff800011b9bbe0\n[ 1.729342] x7 : 0000000000000009 x6 : ffff8000114b8328\n[ 1.734649] x5 : 0000000000000000 x4 : 0000000000000000\n[ 1.739956] x3 : 00000000ffffffff x2 : ffff800011460298\n[ 1.745263] x1 : 1af1d7de276f4500 x0 : 0000000000000000\n[ 1.750572] Call trace:\n[ 1.753010] clk_core_disable+0xb0/0xb8\n[ 1.756840] clk_core_disable_lock+0x24/0x40\n[ 1.761105] clk_disable+0x20/0x30\n[ 1.764501] mtk_iommu_runtime_suspend+0x88/0xa8\n[ 1.769114] pm_generic_runtime_suspend+0x2c/0x48\n[ 1.773815] __rpm_callback+0xe0/0x178\n[ 1.777559] rpm_callback+0x24/0x88\n[ 1.781041] rpm_suspend+0xdc/0x470\n[ 1.784523] rpm_idle+0x12c/0x170\n[ 1.787831] pm_runtime_work+0xa8/0xc0\n[ 1.791573] process_one_work+0x1e8/0x360\n[ 1.795580] worker_thread+0x44/0x478\n[ 1.799237] kthread+0x150/0x158\n[ 1.802460] ret_from_fork+0x10/0x30\n[ 1.806034] ---[ end trace 82402920ef64573b ]---\n[ 1.810728] ------------[ cut here ]------------\n\nIn addition, we now don't need to enable the clock from the\nfunction mtk_iommu_hw_init since it is already enabled by the resume." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/iommu/mtk_iommu.c" |
| ], |
| "versions": [ |
| { |
| "version": "c0b57581b73be7b43f39e0dff201c93413f6a668", |
| "lessThan": "5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c0b57581b73be7b43f39e0dff201c93413f6a668", |
| "lessThan": "b34ea31fe013569d42b7e8681ef3f717f77c5b72", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/iommu/mtk_iommu.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12.4", |
| "lessThanOrEqual": "5.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.13", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "5.12.4" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.12", |
| "versionEndExcluding": "5.13" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b34ea31fe013569d42b7e8681ef3f717f77c5b72" |
| } |
| ], |
| "title": "iommu/mediatek: Always enable the clk on resume", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-47025", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
