VULNERABILITY INTELLIGENCE

CVE-2021-39732

CVSS score7.8 HIGH
EPSS probability0.11%
CISA KEVNot currently listed
Published2022-03-16
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

In copy_io_entries of lwis_ioctl.c, there is a possible out of bounds write due to an integer overflow. 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-205992503References: N/A

Weakness classification

  • CWE-190: Integer Overflow or Wraparound
  • CWE-787: Out-of-bounds Write

Primary references