Authentication Bypass Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-425.3.1.rt7.213.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.08% (34th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTDEBUGKVM-2414442
  • published 3 Mar 2022
  • disclosed 28 Feb 2022

How to fix?

Upgrade Centos:8 kernel-rt-debug-kvm to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.

NVD Description

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

An issue was discovered in the Linux kernel through 5.16.11. The mixed IPID assignment method with the hash-based IPID assignment policy allows an off-path attacker to inject data into a victim's TCP session or terminate that session.

CVSS Scores

version 3.1
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NVD

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

5.9 medium
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SUSE

8.1 high