Incorrect Permission Assignment for Critical Resource Affecting kernel-debuginfo package, versions <0:4.9.81-44.57.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.3% (70th percentile)

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  • Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-1661008
  • published 27 Sep 2021
  • disclosed 9 Feb 2018

How to fix?

Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.9.81-44.57.amzn2 or higher.
This issue was patched in ALAS2-2018-956.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Linux kernel version after commit bdcf0a423ea1 - 4.15-rc4+, 4.14.8+, 4.9.76+, 4.4.111+ contains a Incorrect Access Control vulnerability in NFS server (nfsd) that can result in remote users reading or writing files they should not be able to via NFS. This attack appear to be exploitable via NFS server must export a filesystem with the "rootsquash" options enabled. This vulnerability appears to have been fixed in after commit 1995266727fa.

CVSS Scores

version 3.1
Expand this section

Red Hat

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