Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - xtensaxtfpga修复设置中的 refcount 泄漏缺陷 在 machine_setup() 中of_find_compatible_node() 将返回 refcount 增加的节点指针。应在不再使用 of_node_put() 时使用该函数。
    (CVE-2022-49681)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - xtensaxtfpga修正設定中的 refcount 洩漏錯誤。在 machine_setup() 中of_find_compatible_node() 會傳回 refcount 遞增的節點指標。當不再使用 of_node_put() 時應予以使用。
    (CVE-2022-49681)

請注意，Nessus 依賴供應商報告的套件存在。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - xtensaaxtfpgaセットアップでの refcount 漏洩のバグを修正します。 machine_setup() で、of_find_compatible_node() は、refcount が増分されたノードポインターを返します。of_node_put() が今後使用されないときに使用する必要があります。
    (CVE-2022-49681)

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989960 advisory.

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

    xtensa: xtfpga: Fix refcount leak bug in setup

    In machine_setup(), of_find_compatible_node() will return a node     pointer with refcount incremented. We should use of_node_put() when     it is not used anymore.

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

  - xtensa: xtfpga: Fix refcount leak bug in setup In machine_setup(), of_find_compatible_node() will return a     node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
    (CVE-2022-49681)

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-2025-986770 advisory.

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

    xtensa: xtfpga: Fix refcount leak bug in setup

    In machine_setup(), of_find_compatible_node() will return a node     pointer with refcount incremented. We should use of_node_put() when     it is not used anymore.

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-2025-986630 advisory.

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

    xtensa: xtfpga: Fix refcount leak bug in setup

    In machine_setup(), of_find_compatible_node() will return a node     pointer with refcount incremented. We should use of_node_put() when     it is not used anymore.

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-2025-988801 advisory.

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

    xtensa: xtfpga: Fix refcount leak bug in setup

    In machine_setup(), of_find_compatible_node() will return a node     pointer with refcount incremented. We should use of_node_put() when     it is not used anymore.

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	名称	产品	系列	发布时间	最近更新时间	严重程度
226189	Linux Distros 未修补的漏洞：CVE-2022-49681	Nessus	Misc.	2025/3/5	2026/1/15	medium
226189	Linux Distros 未修補的弱點：CVE-2022-49681	Nessus	Misc.	2025/3/5	2026/1/15	medium
226189	Linux Distros のパッチ未適用の脆弱性: CVE-2022-49681	Nessus	Misc.	2025/3/5	2026/1/15	medium
272674	Unity Linux 20.1050e Security Update: kernel (UTSA-2025-989960)	Nessus	Unity Linux Local Security Checks	2025/11/5	2025/11/5	medium
226189	Linux Distros Unpatched Vulnerability : CVE-2022-49681	Nessus	Misc.	2025/3/5	2026/1/15	medium
268153	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986770)	Nessus	Unity Linux Local Security Checks	2025/10/7	2025/10/15	medium
269082	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986630)	Nessus	Unity Linux Local Security Checks	2025/10/7	2025/10/15	medium
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	2021/7/22	2026/3/23	high
275906	TencentOS Server 4: kernel (TSSA-2025:0346)	Nessus	Tencent Local Security Checks	2025/11/20	2026/3/11	high
273946	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988801)	Nessus	Unity Linux Local Security Checks	2025/11/5	2025/11/5	medium

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