CVE-2021-47025

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47025", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.960Z", "datePublished": "2024-02-28T08:13:37.122Z", "dateUpdated": "2026-05-11T13:46:30.333Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:30.333Z"}, "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"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47025", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-28T20:32:44.249643Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:13:49.148Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.248Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b34ea31fe013569d42b7e8681ef3f717f77c5b72", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/b34ea31fe013569d42b7e8681ef3f717f77c5b72", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.248Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47025", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-02-28T20:32:44.249643Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:13.825Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "iommu/mediatek: Always enable the clk on resume", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "c0b57581b73be7b43f39e0dff201c93413f6a668", "lessThan": "5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca", "versionType": "git"}, {"status": "affected", "version": "c0b57581b73be7b43f39e0dff201c93413f6a668", "lessThan": "b34ea31fe013569d42b7e8681ef3f717f77c5b72", "versionType": "git"}], "programFiles": ["drivers/iommu/mtk_iommu.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.12"}, {"status": "unaffected", "version": "0", "lessThan": "5.12", "versionType": "semver"}, {"status": "unaffected", "version": "5.12.4", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/iommu/mtk_iommu.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca"}, {"url": "https://git.kernel.org/stable/c/b34ea31fe013569d42b7e8681ef3f717f77c5b72"}], "x_generator": {"engine": "bippy-1.2.0"}, "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."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13", "versionStartIncluding": "5.12"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:30.333Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47025", "state": "PUBLISHED", "dateUpdated": "2026-05-11T13:46:30.333Z", "dateReserved": "2024-02-27T18:42:55.960Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-28T08:13:37.122Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iommu/mtk_iommu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca", "status": "affected", "version": "c0b57581b73be7b43f39e0dff201c93413f6a668", "versionType": "git"}, {"lessThan": "b34ea31fe013569d42b7e8681ef3f717f77c5b72", "status": "affected", "version": "c0b57581b73be7b43f39e0dff201c93413f6a668", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iommu/mtk_iommu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.12"}, {"lessThan": "5.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.12.*", "status": "unaffected", "version": "5.12.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8C7052F-1B7B-4327-9C2B-84EBF3243838", "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: iommu/mediatek: habilite siempre clk al reanudar. En mtk_iommu_runtime_resume habilite siempre clk, incluso si m4u_dom es nulo. De lo contrario, el cb 'suspender' podr\u00eda desactivar el clk que ya est\u00e1 desactivado provocando la advertencia: [1.586104] infra_m4u ya desactivado [1.586133] ADVERTENCIA: CPU: 0 PID: 121 en drivers/clk/clk.c:952 clk_core_disable+0xb0/0xb8 [ 1.594391] mtk-iommu 10205000.iommu: enlazado 18001000.larb (ops mtk_smi_larb_component_ops) [ 1.598108] M\u00f3dulos vinculados en: [ 1.598114] CPU: 0 PID: 121 Comm: kworker/0:2 No contaminado 5.12.0 -rc5 #69 [ 1.609246] mtk-iommu 10205000.iommu: enlazado 14027000.larb (ops mtk_smi_larb_component_ops) [ 1.617487] Nombre del hardware: Google Elm (DT) [ 1.617491] Cola de trabajo: pm pm_runtime_work [ 1.620545] mtk-iomm u 10205000.iommu: encuadernado 19001000.larb (ops mtk_smi_larb_component_ops) [1.627229] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--) [1.659297] pc: clk_core_disable+0xb0/0xb8 [1.663475] lr: clk_core_disable+0xb0/0x b8 [1.667652] sp: ffff800011b9bbe0 [ 1.670959] x29: ffff800011b9bbe0 x28: 0000000000000000 [ 1.676267] x27: ffff800011448000 x26: ffff8000100cfd98 [ 1.681574] x25: ffff800011b9 bd48 x24: 0000000000000000 [ 1.686882] x23: 0000000000000000 x22: ffff8000106fad90 [ 1.692189] x21: 0000000000000000a x20: ffff0000c004850 0 [1,697496] x19: ffff0000c0048500 x18: ffffffffffffffff [ 1.702804] x17: 0000000000000000 x16: 00000000000000000 [ 1.708112] x15: ffff800011460300 x14: ffffffffffe000 0 [ 1.713420] x13: ffff8000114602d8 x12: 0720072007200720 [ 1.718727] x11: 0720072007200720 x10: 0720072007200720 [ 1.724035] x9 : ffff800 011b9bbe0 x8: ffff800011b9bbe0 [ 1.729342] x7: 0000000000000009 x6: ffff8000114b8328 [1.734649] x5: 0000000000000000 x4: 00000000000000000 [1.739956] x3: 00000000ffff ffff x2: ffff800011460298 [1.745263] x1: 1af1d7de276f4500 x0: 0000000000000000 [1.750572] Rastreo de llamadas: [1.753010] clk_core_disable+0xb0/0xb8 [ 1.756840] clk_core_disable_lock+0x24/0x40 [ 1.761105] clk_disable+0x20/0x30 [ 1.764501] mtk_iommu_runtime_suspend+0x88/0xa8 [ 1.769114] pm_generic_runtime_suspend+0x2c/0x48 [ 1 .773815] __rpm_callback+0xe0/0x178 [ 1.777559] rpm_callback+0x24/0x88 [ 1.781041] rpm_suspend+0xdc/0x470 [ 1.784523] rpm_idle+0x12c/0x170 [ 1.787831] pm_runtime_work+0xa8/0xc0 [ 1.791573] Process_one_work+0x1e8/0x360 [ 1.795580] trabajador_thread+0x44/0x478 [ 1.799237] kthread+0x150/0x158 [ 1.802460] ret_from_fork+ 0x10/0x30 [1.806034] ---[ final de seguimiento 82402920ef64573b ]--- [ 1.810728] ------------[ cortar aqu\u00ed ]------------ Adem\u00e1s , ahora no necesitamos habilitar el reloj desde la funci\u00f3n mtk_iommu_hw_init ya que ya est\u00e1 habilitado en el curr\u00edculum."}], "id": "CVE-2021-47025", "lastModified": "2026-06-17T04:16:13.763", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-47025", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-02-28T20:32:44.249643Z", "version": "2.0.3"}}]}, "published": "2024-02-28T09:15:39.290", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b34ea31fe013569d42b7e8681ef3f717f77c5b72"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b34ea31fe013569d42b7e8681ef3f717f77c5b72"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: iommu/mediatek: Always enable the clk on resume", "id": "2266969", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266969"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niommu/mediatek: Always enable the clk on resume\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[ 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[ 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 ]------------\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."], "name": "CVE-2021-47025", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47025\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47025\nhttps://lore.kernel.org/linux-cve-announce/2024022834-CVE-2021-47025-cbd5@gregkh/T/#u"], "threat_severity": "Low"}

{}