The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address of_get_next_parent() returns a node     pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing     of_node_put() in the error path to avoid refcount leak. (CVE-2022-50106)

Note that Nessus relies on the presence of the package as reported by the vendor.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992865 advisory.

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

    powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address

    of_get_next_parent() returns a node pointer with refcount incremented,     we should use of_node_put() on it when not need anymore.
    Add missing of_node_put() in the error path to avoid refcount leak.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

An update of the linux package has been released.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004893 advisory.

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

    powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address

    of_get_next_parent() returns a node pointer with refcount incremented,     we should use of_node_put() on it when not need anymore.
    Add missing of_node_put() in the error path to avoid refcount leak.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992496 advisory.

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

    powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address

    of_get_next_parent() returns a node pointer with refcount incremented,     we should use of_node_put() on it when not need anymore.
    Add missing of_node_put() in the error path to avoid refcount leak.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
243667	Linux Distros Unpatched Vulnerability : CVE-2022-50106	Nessus	Misc.	8/5/2025	1/14/2026	medium
281260	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992865)	Nessus	Unity Linux Local Security Checks	12/31/2025	12/31/2025	medium
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	7/22/2021	3/23/2026	high
296300	Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004893)	Nessus	Unity Linux Local Security Checks	1/23/2026	1/23/2026	medium
280405	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992496)	Nessus	Unity Linux Local Security Checks	12/30/2025	12/30/2025	medium

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