CVE-2021-1048

7.8 HIGH CISA KEV - Actively Exploited
Published: December 15, 2021 Modified: October 23, 2025
View on NVD

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://source.android.com/security/bulletin/2021-11-01
Source: security@android.com
Patch Vendor Advisory
https://source.android.com/security/bulletin/2021-11-01
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1048
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Third Party Advisory US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.8 / 10.0
EPSS (Exploit Probability)
2.3%
84th percentile
Exploitation Status
Actively Exploited
Remediation due: 2022-06-13

Weaknesses (CWE)

CWE-416 CWE-416

Affected Vendors

google

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