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Acceptance of Extraneous Untrusted Data With Trusted Data Affecting kernel-debuginfo-common-x86_64 package, versions <0:4.14.181-140.257.amzn2

Severity

 Recommended
high

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.05% (21st percentile)

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  • Snyk ID SNYK-AMZN2-KERNELDEBUGINFOCOMMONX8664-1680232
  • published 27 Sep 2021
  • disclosed 26 May 2020
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Introduced: 26 May 2020

CVE-2020-10751 Open this link in a new tab
CWE-349 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2 kernel-debuginfo-common-x86_64 to version 0:4.14.181-140.257.amzn2 or higher.
This issue was patched in ALAS2-2020-1431.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-x86_64 package and not the kernel-debuginfo-common-x86_64 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.

References

CVSS Scores

version 3.1
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NVD

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

6.1 medium
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SUSE

6.1 medium