QID 355168

Date Published: 2023-05-29

QID 355168: Amazon Linux Security Advisory for device-mapper-multipath : ALAS2023-2023-126

A vulnerability was found in the device-mapper-multipath.
The device-mapper-multipath allows local users to obtain root access, exploited alone or in conjunction with( CVE-2022-41973.
Local users that are able to write to unix domain sockets can bypass access controls and manipulate the multipath setup.
This issue occurs because an attacker can repeat a keyword, which is mishandled when arithmetic add is used instead of bitwise or.
This could lead to local privilege escalation to root. (
( CVE-2022-3787) a vulnerability was found in the device-mapper-multipath.
The device-mapper-multipath allows local users to obtain root access, in conjunction with( CVE-2022-41974.
Local users that are able to access /dev/shm can change symlinks in multipathd due to incorrect symlink handling, which may lead to controlled file writes outside of the /dev/shm directory.
This could be used indirectly for local privilege escalation to root. (
( CVE-2022-41973) multipath-tools 0.7.0 through 0.9.x before 0.9.2 allows local users to obtain root access, as exploited alone or in conjunction with( CVE-2022-41973.
Local users able to write to unix domain sockets can bypass access controls and manipulate the multipath setup.
This can lead to local privilege escalation to root.
This occurs because an attacker can repeat a keyword, which is mishandled because arithmetic add is used instead of bitwise or. (
( CVE-2022-41974)


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

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
  • Solution
    Please refer to Amazon advisory: ALAS2023-2023-126 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355168

    Software Advisories
    Advisory ID Software Component Link
    ALAS2023-2023-126 amazon linux 2023 URL Logo alas.aws.amazon.com/AL2023/ALAS-2023-126.html

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