Race Condition Affecting kernel-rt-kvm package, versions <0:3.10.0-1062.12.1.rt56.1042.el7


Severity

0.0
high
0
10

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTKVM-2150794
  • published 26 Jul 2021
  • disclosed 20 Nov 2019

How to fix?

Upgrade Centos:7 kernel-rt-kvm to version 0:3.10.0-1062.12.1.rt56.1042.el7 or higher.

NVD Description

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

The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.

CVSS Scores

version 3.1
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Snyk

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

7 high
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Red Hat

7 high