CVE-2021-20239

LOW

Linux kernel <5.4.92 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 3.3
EPSS 0.0009
EPSS Percentile 24.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-119 CWE-822
Status published
Products (5)
fedoraproject/fedora 33
linux/linux_kernel < 5.4.92
redhat/enterprise_linux 5.0
redhat/enterprise_linux 6.0
redhat/enterprise_linux 8.0
Published May 28, 2021
Tracked Since Feb 18, 2026