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[email protected]CVE-2021-39685

HistoryMar 16, 2022 - 3:15 p.m.

CVE-2021-39685

2022-03-1615:15:10

CWE-787

[email protected]

web.nvd.nist.gov

164

cve-2021-39685

usb gadget

privilege escalation

android

kernel

nvd

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

Percentile

5.1%

JSON

In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel

Affected configurations

NVD

Node

googleandroidMatch-

VendorProductVersionCPE
googleandroid-cpe:/o:google:android:-:::

Vendor	Product	Version	CPE
google	android	-	cpe:/o:google:android:-:::

CNA Affected

[
  {
    "product": "Android",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Android kernel"
      }
    ]
  }
]