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NULL Pointer Dereference Affecting kernel-rt-doc package, versions <0:3.10.0-514.rt56.420.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-CENTOS7-KERNELRTDOC-2074068
  • published 26 Jul 2021
  • disclosed 5 May 2016
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Introduced: 5 May 2016

CVE-2016-4581 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Centos:7 kernel-rt-doc to version 0:3.10.0-514.rt56.420.el7 or higher.

NVD Description

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

fs/pnode.c in the Linux kernel before 4.5.4 does not properly traverse a mount propagation tree in a certain case involving a slave mount, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted series of mount system calls.

References

CVSS Scores

version 3.1
Expand this section

Red Hat

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