vulnerability

Red Hat: CVE-2022-0854: kernel: swiotlb information leak with DMA_FROM_DEVICE (Multiple Advisories)

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Mar 23, 2022
Added
Nov 9, 2022
Modified
Nov 14, 2025

Description

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
Title
NEW

Explore Exposure Command

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