CVE-2021-1048

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 1.05%
EPSS Percentile: 63.22%
CISA KEV: YES — Known Exploited Vulnerability

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

Technical Details

CVSS Version: 3.1
CNA / NVD Source: security@android.com
Published: 16-Dec-2021 02:15
Last Modified: 17-Jun-2026 10:30
EPSS Date: 2026-10-12
CWE: CWE-416

CVSS Vector


            CVSS:3.1                            AV:L /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2022-05-23
Remediation Due: 2022-06-13
Known Ransomware Campaign Use: Unknown
Required Action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2021-1048

Affected Products / Versions

google / android
Version / affected range: -
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

References

Last enrichment sync: 13-Oct-2026 12:09
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

The vulnerabilities, which were discovered in 2021, are CVE-2021-37973, CVE-2021-37976, CVE-2021-38000, CVE-2021-38003 — all of which affect Google Chrome, and CVE-2021-1048 in Linux and Android. Cisco Talos Details How Intellexa’s ALIEN and PREDATOR Spyware Target Android

CVE (4)

Malware (2)

MITRE ATT&CK (7)

Vendors (3)

Products (6)

Tools (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.