The procconnectinfo function in drivers/usb/core/devio.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted USBDEVFSCONNECTINFO ioctl call.
{ "vanir_signatures": [ { "target": { "file": "drivers/usb/core/devio.c" }, "digest": { "threshold": 0.9, "line_hashes": [ "13076248026653143410192886720954814197", "134846306319565696388033427552140075947", "291265564568703738019050616936824078470", "42004268802419864586981104282523612777", "10884533087041662803333149225014257502", "153279877904206493569286348760809243021", "199632068938769914845763997076958468625" ] }, "signature_type": "Line", "source": "https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee", "deprecated": false, "id": "CVE-2016-4482-8e1e6267", "signature_version": "v1" }, { "target": { "file": "drivers/usb/core/devio.c", "function": "proc_connectinfo" }, "digest": { "function_hash": "127069369305216185633578949397655340369", "length": 241.0 }, "signature_type": "Function", "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@681fef8380eb818c0b845fca5d2ab1dcbab114ee", "deprecated": false, "id": "CVE-2016-4482-bc21faed", "signature_version": "v1" }, { "target": { "file": "drivers/usb/core/devio.c" }, "digest": { "threshold": 0.9, "line_hashes": [ "13076248026653143410192886720954814197", "134846306319565696388033427552140075947", "291265564568703738019050616936824078470", "42004268802419864586981104282523612777", "10884533087041662803333149225014257502", "153279877904206493569286348760809243021", "199632068938769914845763997076958468625" ] }, "signature_type": "Line", "source": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git@681fef8380eb818c0b845fca5d2ab1dcbab114ee", "deprecated": false, "id": "CVE-2016-4482-c6787188", "signature_version": "v1" }, { "target": { "file": "drivers/usb/core/devio.c", "function": "proc_connectinfo" }, "digest": { "function_hash": "127069369305216185633578949397655340369", "length": 241.0 }, "signature_type": "Function", "source": "https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee", "deprecated": false, "id": "CVE-2016-4482-eef8f76d", "signature_version": "v1" } ] }