Memory Leak Affecting kernel-modules-extra package, versions <0:4.18.0-425.3.1.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELMODULESEXTRA-4332502
  • published21 Mar 2022
  • disclosed7 Mar 2022

Introduced: 7 Mar 2022

CVE-2022-0854  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-modules-extra to version 0:4.18.0-425.3.1.el8 or higher.
This issue was patched in RHSA-2022:7683.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-extra package and not the kernel-modules-extra package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

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.

CVSS Scores

version 3.1