vulnerability

Debian: CVE-2021-20239: linux -- security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
May 28, 2021
Added
Jul 30, 2024
Modified
Aug 15, 2025

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.

Solution

debian-upgrade-linux
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.