CVE-2021-20239

kernel: setsockopt System Call Untrusted Pointer Dereference Information Disclosure

Published May 28, 2021 CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Description
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-7678 A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.
Ubuntu USN Ubuntu USN USN-4878-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4910-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 5:37 PM
Reserved
Dec 17, 2020, 12:00 AM
Status
Modified
Published
May 28, 2021, 11:15 AM
Modified
Jun 17, 2026, 3:33 AM
Severity
Low
Public date
Feb 1, 2021, 12:00 AM