QID 356756

Date Published: 2023-12-06

QID 356756: Amazon Linux Security Advisory for avahi : ALAS2-2023-2372

A flaw was found in avahi in versions 0.6 up to 0.8.
The event used to signal the termination of the client connection on the avahi unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop.
The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered. (
( CVE-2021-3468)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Medium - 5.5 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2372 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356756

    CVE-2021-3468 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2372 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2372.html
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