In _hidinputchangeresolutionmultipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
{ "vanir_signatures": [ { "digest": { "threshold": 0.9, "line_hashes": [ "64172623948679431862695036564881337570", "230322923680330925781675870885726230223", "73286516744473844380015392446427705097", "293456225840463785337273309951273610513", "11128501197009355598728923510973756556", "335757447315112755393438664235372062808", "146218055446280286295684917460199110093", "301141878020790822428530349509229756206", "242138640585035497746803189197857880978", "161875519836883478060347295119497678447", "212398614602379463200403196736122486715", "180491694572876725766639759176693244371" ] }, "id": "ASB-A-173843328-2dcb667c", "source": "https://android.googlesource.com/kernel/common/+/ed9be64eefe2", "deprecated": false, "signature_version": "v1", "target": { "file": "drivers/hid/hid-core.c", "truncated_path_level": 1.0 }, "signature_type": "Line" }, { "digest": { "length": 2397.0, "function_hash": "311767138473691601837923316870499384784" }, "id": "ASB-A-173843328-6518a134", "source": "https://android.googlesource.com/kernel/common/+/ed9be64eefe2", "deprecated": false, "signature_version": "v1", "target": { "file": "drivers/hid/hid-core.c", "truncated_path_level": 1.0, "function": "hid_add_field" }, "signature_type": "Function" }, { "digest": { "length": 581.0, "function_hash": "12225022636308020832768294636884845774" }, "id": "ASB-A-173843328-e547965c", "source": "https://android.googlesource.com/kernel/common/+/ed9be64eefe2", "deprecated": false, "signature_version": "v1", "target": { "file": "drivers/hid/hid-core.c", "truncated_path_level": 1.0, "function": "hid_register_field" }, "signature_type": "Function" } ], "fixes": [ "https://android.googlesource.com/kernel/common/+/ed9be64eefe2" ], "spl": "2021-06-05", "severity": "High", "types": [ "EoP" ] }