Resource Exhaustion Affecting kernel package, versions <0:4.14.296-222.539.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-AMZN2-KERNEL-7678968
  • published 14 Aug 2024
  • disclosed 28 Apr 2024

How to fix?

Upgrade Amazon-Linux:2 kernel to version 0:4.14.296-222.539.amzn2 or higher.
This issue was patched in ALAS2-2022-1876.

NVD Description

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

In the Linux kernel, the following vulnerability has been resolved:

netfilter: ebtables: fix memory leak when blob is malformed

The bug fix was incomplete, it "replaced" crash with a memory leak. The old code had an assignment to "ret" embedded into the conditional, restore this.

CVSS Scores

version 3.1
Expand this section

Red Hat

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