HIGH CISA KEV

CVE-2021-1048

CVSS v3

7.8

HIGH

EPSS Score

1.7%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

Description

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. 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-204573007References: Upstream kernel

CISA Known Exploited Vulnerability

Date Added
5/23/2022
Patch Due Date
6/13/2022
Ransomware Use
Unknown

Technical details

Published
12/15/2021

Frequently asked questions

What is CVE-2021-1048?

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. 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-204573007References: Upstream kernel

Is CVE-2021-1048 actively exploited?

Yes. CVE-2021-1048 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 6/13/2022.

What is the CVSS score for CVE-2021-1048?

CVE-2021-1048 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2021-1048 affecting your environment?

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

Check an IPSearch CVEs

Other 2021 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database