PT-2023-12614 · Linux · Linux Kernel

Published 2023-07-06 · Updated 2023-07-12 · CVE-2021-46894

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

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

Description The issue is related to a Use After Free (UAF) vulnerability in the uinput module. Successful exploitation of this vulnerability may lead to kernel privilege escalation.

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

Use After Free

Improper Privilege Management

Weakness Enumeration

CWE-416

CWE-269

Related Identifiers

CVE-2021-46894

Affected Products

Linux Kernel

References · 7

• https://consumer.huawei.com/en/support/bulletin/2023/7 · Vendor Advisory
• https://device.harmonyos.com/en/docs/security/update/security-bulletins-202307-0000001587168858 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-46894 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46894 · Security Note
• https://t.me/cibsecurity/66065 · Telegram Post
• https://t.me/cvenotify/53752 · Telegram Post
• https://t.me/cvenotify/54162 · Telegram Post