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Integer Overflow or Wraparound Affecting kernel-core package, versions <0:4.18.0-372.9.1.el8

Severity

 Recommended
0.0
high
0
10

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.08% (35th percentile)

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  • Snyk ID SNYK-ROCKY8-KERNELCORE-3191552
  • published 5 Jan 2023
  • disclosed 9 Jun 2020
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Introduced: 9 Jun 2020

CVE-2020-13974 Open this link in a new tab
CWE-190 Open this link in a new tab

How to fix?

Upgrade Rocky-Linux:8 kernel-core to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-2022:1988.

NVD Description

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

An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.

References

CVSS Scores

version 3.1
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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

SUSE

6.2 medium
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Red Hat

7.8 high