Lucene search

K
cveGoogle_androidCVE-2022-20421
HistoryOct 11, 2022 - 8:15 p.m.

CVE-2022-20421

2022-10-1120:15:12
CWE-416
google_android
web.nvd.nist.gov
122
7
cve-2022-20421
android
kernel
privilege escalation
memory corruption
use after free

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

7.4

Confidence

High

EPSS

0

Percentile

5.1%

In binder_inc_ref_for_node of binder.c, there is a possible way to corrupt memory due to a use after free. 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-239630375References: Upstream kernel

Affected configurations

Nvd
Node
googleandroidMatch-
Node
debiandebian_linuxMatch10.0
OR
debiandebian_linuxMatch11.0
VendorProductVersionCPE
googleandroid-cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debiandebian_linux11.0cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

CNA Affected

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

Social References

More

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

7.4

Confidence

High

EPSS

0

Percentile

5.1%