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Use of a Broken or Risky Cryptographic Algorithm Affecting kernel-doc package, versions <0:4.18.0-147.el8

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.11% (44th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELDOC-3540781
  • published 26 Jul 2021
  • disclosed 10 Aug 2019
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Introduced: 10 Aug 2019

CVE-2019-9506 Open this link in a new tab
CWE-327 Open this link in a new tab

How to fix?

Upgrade RHEL:8 kernel-doc to version 0:4.18.0-147.el8 or higher.
This issue was patched in RHSA-2019:3517.

NVD Description

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

The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.

References

CVSS Scores

version 3.1
Expand this section

NVD

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