Out-of-bounds Read Affecting kernel-rt-debug-core package, versions <0:4.18.0-372.13.1.rt7.170.el8_6


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELRTDEBUGCORE-5633494
  • published28 May 2023
  • disclosed30 Jun 2022

Introduced: 30 Jun 2022

CVE-2020-28915  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-rt-debug-core to version 0:4.18.0-372.13.1.rt7.170.el8_6 or higher.
This issue was patched in ALSA-2022:5344.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-core package and not the kernel-rt-debug-core package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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