Out-of-bounds Read Affecting kernel-zfcpdump-modules package, versions <0:4.18.0-372.13.1.el8_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-RHEL8-KERNELZFCPDUMPMODULES-4297952
  • published 26 Jul 2021
  • disclosed 16 Nov 2020

How to fix?

Upgrade RHEL:8 kernel-zfcpdump-modules to version 0:4.18.0-372.13.1.el8_6 or higher.
This issue was patched in RHSA-2022:5316.

NVD Description

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

A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def.

CVSS Scores

version 3.1
Expand this section

NVD

5.8 medium
  • Attack Vector (AV)
    Physical
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

5.8 medium
Expand this section

SUSE

5.1 medium