CVE-2021-1048

Known Exploited

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

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.49% Top 20%
KEV Since 
Vendor Advisory android.com
Affected: n/a Android
Published at:
Updated at:

References

Link Tags
https://source.android.com/security/bulletin/2021-11-01 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-1048?
CVE-2021-1048 has been scored as a high severity vulnerability.
How to fix CVE-2021-1048?
To fix CVE-2021-1048, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1048 being actively exploited in the wild?
It is confirmed that CVE-2021-1048 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1048?
CVE-2021-1048 affects n/a Android.
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