Improper Initialization Affecting kernel-debug package, versions <0:4.18.0-240.1.1.el8_3


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.28% (69th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELDEBUG-2083654
  • published 26 Jul 2021
  • disclosed 3 Nov 2020

How to fix?

Upgrade Centos:8 kernel-debug to version 0:4.18.0-240.1.1.el8_3 or higher.

NVD Description

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

A Red Hat only CVE-2020-12352 regression issue was found in the way the Linux kernel's Bluetooth stack implementation handled the initialization of stack memory when handling certain AMP packets. This flaw allows a remote attacker in an adjacent range to leak small portions of stack memory on the system by sending specially crafted AMP packets. The highest threat from this vulnerability is to data confidentiality.

CVSS Scores

version 3.1
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NVD

6.5 medium
  • Attack Vector (AV)
    Adjacent
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

5.3 medium