Buffer Overflow Affecting kernel-debuginfo-common-x86_64 package, versions <0:4.14.285-215.501.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-AMZN2-KERNELDEBUGINFOCOMMONX8664-2950807
  • published 15 Jul 2022
  • disclosed 10 Jun 2022

How to fix?

Upgrade Amazon-Linux:2 kernel-debuginfo-common-x86_64 to version 0:4.14.285-215.501.amzn2 or higher.
This issue was patched in ALAS2-2022-1813.

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.

An issue was discovered in the Linux kernel through 5.18.3 on powerpc 32-bit platforms. There is a buffer overflow in ptrace PEEKUSER and POKEUSER (aka PEEKUSR and POKEUSR) when accessing floating point registers.

CVSS Scores

version 3.1
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NVD

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

7.4 high