Name: CVE-2021-39714: Integer Overflow or Wraparound
Creator: Rapid7
Published: 2022-03-16T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2021-39714, CWE-190, CWE-416, CVSS 7.8, EPSS 0.00229

In ion_buffer_kmap_get of ion.c, there is a possible use-after-free 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-205573273References: Upstream kernel

CVSS Details

CVSS 3.1 Base Score: 7.8
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade linux	Mar 10, 2022	Mar 10, 2022
Ubuntu	—	Upgrade linux-image-awsUpgrade linux-image-4.4.0-229-genericUpgrade linux-image-virtual-lts-xenialUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-kvmUpgrade linux-image-4.4.0-1110-kvmUpgrade linux-image-generic-lts-xenialUpgrade linux-image-4.4.0-229-lowlatencyUpgrade linux-image-4.4.0-1109-aws	Mar 22, 2023	Mar 16, 2022

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence