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Out-of-bounds Write Affecting kernel-debug-modules package, versions <0:4.18.0-193.28.1.el8_2

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELDEBUGMODULES-3795766
  • published 26 Jul 2021
  • disclosed 3 Sep 2020
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Introduced: 3 Sep 2020

CVE-2020-14386 Open this link in a new tab
CWE-787 Open this link in a new tab
CWE-250 Open this link in a new tab

How to fix?

Upgrade RHEL:8 kernel-debug-modules to version 0:4.18.0-193.28.1.el8_2 or higher.
This issue was patched in RHSA-2020:4286.

NVD Description

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

A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.

References

CVSS Scores

version 3.1
Expand this section

NVD

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

Red Hat

7.8 high
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SUSE

8.4 high