PT-2021-2482 · Google · Android Kernel

Published 2021-03-01 · Updated 2021-03-17 · CVE-2021-0464

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions: Android kernel

Description: The issue is related to a heap buffer overflow in the sound trigger event alloc function of the Android kernel's Audio Server component. This could lead to a local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations: For Android kernel, consider applying a patch to fix the heap buffer overflow issue in the sound trigger event alloc function as a permanent solution. As a temporary workaround, restricting access to the sound trigger event alloc function may help minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

BDU:2021-01853

CVE-2021-0464

Affected Products

Android Kernel

References · 4

• https://source.android.com/security/bulletin/pixel/2021-03-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0464 · Security Note
• https://bdu.fstec.ru/vul/2021-01853 · Security Note
• https://t.me/cibsecurity/24712 · Telegram Post