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Resource Exhaustion Affecting kernel-rt-trace-devel package, versions <0:3.10.0-957.rt56.910.el7

Severity

0.0
high
0
10

    Threat Intelligence

    EPSS
    1.56% (88th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2110489
  • published 26 Jul 2021
  • disclosed 14 Aug 2018
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Introduced: 14 Aug 2018

CVE-2018-5391 Open this link in a new tab
CWE-400 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-trace-devel to version 0:3.10.0-957.rt56.910.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-devel package and not the kernel-rt-trace-devel package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An attacker may cause a denial of service condition by sending specially crafted IP fragments. Various vulnerabilities in IP fragmentation have been discovered and fixed over the years. The current vulnerability (CVE-2018-5391) became exploitable in the Linux kernel with the increase of the IP fragment reassembly queue size.

References

CVSS Scores

version 3.1
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Snyk

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

7.5 high
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SUSE

7.5 high
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Red Hat

7.5 high