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[email protected]CVE-2021-39633

HistoryJan 14, 2022 - 8:15 p.m.

CVE-2021-39633

2022-01-1420:15:11

CWE-119

[email protected]

web.nvd.nist.gov

cve-2021-39633

gre_handle_offloads

ip_gre.c

page fault

local information disclosure

android

kernel

nvd

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In gre_handle_offloads of ip_gre.c, there is a possible page fault due to an invalid memory access. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-150694665References: Upstream kernel

Affected configurations

NVD

Node

googleandroidMatch-

CPENameOperatorVersion
google:androidgoogle androideq-

CPE	Name	Operator	Version
google:android	google android	eq	-

CNA Affected

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