The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990550 advisory.

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

    f2fs: fix dereference of stale list iterator after loop body

    The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined     value making it unsafe to use that in the comparision to determine if the     specific element was found.

    Since 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that     by chance (or intention of an attacker) it matches the value of 'page'     even though the correct element was not found.

    This is fixed by using a separate list iterator variable for the loop     and only setting the original variable if a suitable element was found.
    Then determing if the element was found is simply checking if the     variable is set.

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.

  - In the Linux kernel, the following vulnerability has been resolved: f2fs: fix dereference of stale list     iterator after loop body The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined value making it unsafe to     use that in the comparision to determine if the specific element was found. Since 'cur->page' *can* be     out-ouf-bounds it cannot be guaranteed that by chance (or intention of an attacker) it matches the value     of 'page' even though the correct element was not found. This is fixed by using a separate list iterator     variable for the loop and only setting the original variable if a suitable element was found. Then     determing if the element was found is simply checking if the variable is set. (CVE-2022-49425)

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-2025-989786 advisory.

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

    f2fs: fix dereference of stale list iterator after loop body

    The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined     value making it unsafe to use that in the comparision to determine if the     specific element was found.

    Since 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that     by chance (or intention of an attacker) it matches the value of 'page'     even though the correct element was not found.

    This is fixed by using a separate list iterator variable for the loop     and only setting the original variable if a suitable element was found.
    Then determing if the element was found is simply checking if the     variable is set.

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-2025-989470 advisory.

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

    f2fs: fix dereference of stale list iterator after loop body

    The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined     value making it unsafe to use that in the comparision to determine if the     specific element was found.

    Since 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that     by chance (or intention of an attacker) it matches the value of 'page'     even though the correct element was not found.

    This is fixed by using a separate list iterator variable for the loop     and only setting the original variable if a suitable element was found.
    Then determing if the element was found is simply checking if the     variable is set.

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.

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。

  - Linux カーネルにおいて、以下の脆弱性は解決されました： f2fs: fix dereference of stale list iterator after loop body The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined value making it unsafe to use that in the comparision to determine if the specific element was found. Since 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that by chance (or intention of an attacker) it matches the value of 'page' even though the correct element was not found. This is fixed by using a separate list iterator variable for the loop and only setting the original variable if a suitable element was found. Then determing if the element was found is simply checking if the variable is set. (CVE-2022-49425)

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。

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。

  - 在 Linux 核心中，已解決下列弱點： f2fs: fix dereference of stale list iterator after loop body The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined value making it unsafe to use that in the comparision to determine if the specific element was found. Since 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that by chance (or intention of an attacker) it matches the value of 'page' even though the correct element was not found. This is fixed by using a separate list iterator variable for the loop and only setting the original variable if a suitable element was found. Then determing if the element was found is simply checking if the variable is set. (CVE-2022-49425)

請注意，Nessus 依賴供應商報告的套件存在。

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。

  - 在 Linux 内核中，已解决以下漏洞： f2fs: fix dereference of stale list iterator after loop body The list iterator variable will be a bogus pointer if no break was hit.
    Dereferencing it (cur->page in this case) could load an out-of-bounds/undefined value making it unsafe to use that in the comparision to determine if the specific element was found. Since 'cur->page' *can* be out-ouf-bounds it cannot be guaranteed that by chance (or intention of an attacker) it matches the value of 'page' even though the correct element was not found. This is fixed by using a separate list iterator variable for the loop and only setting the original variable if a suitable element was found. Then determing if the element was found is simply checking if the variable is set. (CVE-2022-49425)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

ID	Name	Product	Family	Published	Updated	Severity
274236	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990550)	Nessus	Unity Linux Local Security Checks	11/6/2025	11/6/2025	medium
225199	Linux Distros Unpatched Vulnerability : CVE-2022-49425	Nessus	Misc.	3/5/2025	10/28/2025	medium
273550	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989786)	Nessus	Unity Linux Local Security Checks	11/5/2025	11/5/2025	medium
273265	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989470)	Nessus	Unity Linux Local Security Checks	11/5/2025	11/5/2025	medium
225199	Linux Distros のパッチ未適用の脆弱性: CVE-2022-49425	Nessus	Misc.	3/5/2025	10/28/2025	medium
225199	Linux Distros 未修補弱點：CVE-2022-49425	Nessus	Misc.	3/5/2025	10/28/2025	medium
225199	Linux Distros 未修补的漏洞: CVE-2022-49425	Nessus	Misc.	3/5/2025	10/28/2025	medium

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