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Resource Exhaustion Affecting kernel-rt-trace-devel package, versions <0:3.10.0-1062.rt56.1022.el7

Severity

high

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTTRACEDEVEL-2141674
  • published 26 Jul 2021
  • disclosed 2 Apr 2019
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Introduced: 2 Apr 2019

CVE-2019-3882 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 0:3.10.0-1062.rt56.1022.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.

A flaw was found in the Linux kernel's vfio interface implementation that permits violation of the user's locked memory limit. If a device is bound to a vfio driver, such as vfio-pci, and the local attacker is administratively granted ownership of the device, it may cause a system memory exhaustion and thus a denial of service (DoS). Versions 3.10, 4.14 and 4.18 are vulnerable.

References

CVSS Scores

version 3.1
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Snyk

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

5.5 medium
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SUSE

4.7 medium
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Red Hat

4.7 medium