HIGH CISA KEV

CVE-2021-39793

CVSS v3

7.8

HIGH

EPSS Score

0.1%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

SSVC status

Description

In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. 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-210470189References: N/A

CISA Known Exploited Vulnerability

Date Added
4/11/2022
Patch Due Date
5/2/2022
Ransomware Use
Unknown

Technical details

Published
3/16/2022

Frequently asked questions

What is CVE-2021-39793?

In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. 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-210470189References: N/A

Is CVE-2021-39793 actively exploited?

Yes. CVE-2021-39793 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/2/2022.

What is the CVSS score for CVE-2021-39793?

CVE-2021-39793 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-39793 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.