{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-42085", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: dwc3: core: remove lock of otg mode during gadget suspend/resume to avoid deadlock\n\nWhen config CONFIG_USB_DWC3_DUAL_ROLE is selected, and trigger system\nto enter suspend status with below command:\necho mem > /sys/power/state\nThere will be a deadlock issue occurring. Detailed invoking path as\nbelow:\ndwc3_suspend_common()\n spin_lock_irqsave(&dwc->lock, flags); <-- 1st\n dwc3_gadget_suspend(dwc);\n dwc3_gadget_soft_disconnect(dwc);\n spin_lock_irqsave(&dwc->lock, flags); <-- 2nd\nThis issue is exposed by commit c7ebd8149ee5 (\"usb: dwc3: gadget: Fix\nNULL pointer dereference in dwc3_gadget_suspend\") that removes the code\nof checking whether dwc->gadget_driver is NULL or not. It causes the\nfollowing code is executed and deadlock occurs when trying to get the\nspinlock. In fact, the root cause is the commit 5265397f9442(\"usb: dwc3:\nRemove DWC3 locking during gadget suspend/resume\") that forgot to remove\nthe lock of otg mode. So, remove the redundant lock of otg mode during\ngadget suspend/resume." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "2fa487a94667", "version_value": "7026576e8909" }, { "version_affected": "<", "version_name": "5265397f9442", "version_value": "d77e2b5104c5" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "6.1", "status": "affected" }, { "version": "0", "lessThan": "6.1", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.162", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.97", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.37", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9.8", "lessThanOrEqual": "6.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.10", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/7026576e89094aa9a0062aa6d10cba18aa99944c", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7026576e89094aa9a0062aa6d10cba18aa99944c" }, { "url": "https://git.kernel.org/stable/c/d77e2b5104c51d3668b9717c825a4a06998efe63", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d77e2b5104c51d3668b9717c825a4a06998efe63" }, { "url": "https://git.kernel.org/stable/c/17e2956633ca560b95f1cbbb297cfc2adf650649", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/17e2956633ca560b95f1cbbb297cfc2adf650649" }, { "url": "https://git.kernel.org/stable/c/f1274cfab183e69a7c7bafffcb4f50703c876276", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f1274cfab183e69a7c7bafffcb4f50703c876276" }, { "url": "https://git.kernel.org/stable/c/7838de15bb700c2898a7d741db9b1f3cbc86c136", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7838de15bb700c2898a7d741db9b1f3cbc86c136" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }