{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-26715", "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: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend\n\nIn current scenario if Plug-out and Plug-In performed continuously\nthere could be a chance while checking for dwc->gadget_driver in\ndwc3_gadget_suspend, a NULL pointer dereference may occur.\n\nCall Stack:\n\n\tCPU1: CPU2:\n\tgadget_unbind_driver dwc3_suspend_common\n\tdwc3_gadget_stop dwc3_gadget_suspend\n dwc3_disconnect_gadget\n\nCPU1 basically clears the variable and CPU2 checks the variable.\nConsider CPU1 is running and right before gadget_driver is cleared\nand in parallel CPU2 executes dwc3_gadget_suspend where it finds\ndwc->gadget_driver which is not NULL and resumes execution and then\nCPU1 completes execution. CPU2 executes dwc3_disconnect_gadget where\nit checks dwc->gadget_driver is already NULL because of which the\nNULL pointer deference occur." } ] }, "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": "9772b47a4c29", "version_value": "88936ceab6b4" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.6", "status": "affected" }, { "version": "0", "lessThan": "4.6", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.149", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.79", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.18", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.6", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/88936ceab6b426f1312327e9ef849c215c6007a7", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/88936ceab6b426f1312327e9ef849c215c6007a7" }, { "url": "https://git.kernel.org/stable/c/57e2e42ccd3cd6183228269715ed032f44536751", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/57e2e42ccd3cd6183228269715ed032f44536751" }, { "url": "https://git.kernel.org/stable/c/c7ebd8149ee519d27232e6e4940e9c02071b568b", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c7ebd8149ee519d27232e6e4940e9c02071b568b" }, { "url": "https://git.kernel.org/stable/c/36695d5eeeefe5a64b47d0336e7c8fc144e78182", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/36695d5eeeefe5a64b47d0336e7c8fc144e78182" }, { "url": "https://git.kernel.org/stable/c/61a348857e869432e6a920ad8ea9132e8d44c316", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/61a348857e869432e6a920ad8ea9132e8d44c316" } ] }, "generator": { "engine": "bippy-a5840b7849dd" } }