PT-2022-11075 · Google · Android Kernel

Published 2022-04-12 · Updated 2022-04-18 · CVE-2021-39800

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel versions (affected versions not specified)

Description The issue is related to a use after free in the ion ioctl function of ion-ioctl.c, which could lead to local information disclosure. No additional execution privileges are needed, and user interaction is not required for exploitation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-39800

Affected Products

Android Kernel

References · 5

• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39800 · Vendor Advisory
• https://source.android.com/security/bulletin/2022-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39800 · Security Note
• https://ubuntu.com/security/CVE-2021-39800 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39800 · Security Note