PT-2023-17846 · Google · Android Kernel

Published 2023-03-24 · Updated 2025-02-21 · CVE-2023-21055

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android kernel

Description The issue is related to a possible use after free due to a race condition in the dit hal ioctl function of dit.c. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android kernel, consider applying a patch or fix that addresses the use after free issue in the dit hal ioctl function to prevent local escalation of privilege. As a temporary workaround, restricting access to the dit hal ioctl function may help minimize the risk of exploitation.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2023-21055

Affected Products

Android Kernel

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2023-21055 · Security Note
• https://source.android.com/security/bulletin/pixel/2023-03-01 · Vendor Advisory
• https://t.me/cvenotify/112097 · Telegram Post
• https://t.me/cibsecurity/60679 · Telegram Post