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。

  - f2fs移除 f2fs_is_valid_blkaddr 中的 WARN_ON Syzbot 會觸發 f2fs_is_valid_blkaddr 和 中的兩個 WARN
    __is_bitmap_valid。例如在 f2fs_is_valid_blkaddr 中如果類型為 DATA_GENERIC_ENHANCE 或 DATA_GENERIC_ENHANCE_READ如果 blkaddr 不在正確的範圍內它會叫用 WARN_ON。呼叫追踪如下f2fs_get_node_info+0x45f/0x1070 read_node_page+0x577/0x1190 __get_node_page.part.0+0x9e/0x10e0
    __get_node_page f2fs_get_node_page+0x109/0x180 do_read_inode f2fs_iget+0x2a5/0x58b0 f2fs_fill_super+0x3b39/0x7ca0 將 WARN_ON 取代為 dump_stack 修正這兩個 WARN。 (CVE-2022-49318)

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。

  - f2fs删除 f2fs_is_valid_blkaddr 中的 WARN_ON Syzbot 在 f2fs_is_valid_blkaddr 和 中触发两个 WARN
    __is_bitmap_valid。例如，在 f2fs_is_valid_blkaddr 中，如果类型为 DATA_GENERIC_ENHANCE 或 DATA_GENERIC_ENHANCE_READ，并且 blkaddr 不在正确的范围内，则会调用 WARN_ON。调用跟踪如下f2fs_get_node_info+0x45f/0x1070 read_node_page+0x577/0x1190 __get_node_page.part.0+0x9e/0x10e0
    __get_node_page f2fs_get_node_page+0x109/0x180 do_read_inode f2fs_iget+0x2a5/0x58b0 f2fs_fill_super+0x3b39/0x7ca0 通过将 WARN_ON 替换为 dump_stack 修复这两个 WARN。 (CVE-2022-49318)

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 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。

  - f2fsf2fs_is_valid_blkaddr の WARN_ON を削除 Syzbot は、f2fs_is_valid_blkaddr および で 2 つの WARN を発生させます
    __is_bitmap_valid でコンパイルされます。たとえば、f2fs_is_valid_blkaddr では、タイプが DATA_GENERIC_ENHANCE または DATA_GENERIC_ENHANCE_READ である場合、blkaddr が適切な範囲にない場合に WARN_ON が呼び出されます。呼び出しトレースは次のとおりです f2fs_get_node_info+0x45f/0x1070 read_node_page+0x577/0x1190 __get_node_page.part.0+0x9e/0x10e0
    __get_node_page f2fs_get_node_page+0x109/0x180 do_read_inode f2fs_iget+0x2a5/0x58b0 f2fs_fill_super+0x3b39/0x7ca0 WARN_ON を dump_stack で置き換えることで、これらの 2 つの WARN を修正します。CVE-2022-49318

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-2025-988972 advisory.

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

    f2fs: remove WARN_ON in f2fs_is_valid_blkaddr

    Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
    __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,     if type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,     it invokes WARN_ON if blkaddr is not in the right range.
    The call trace is as follows:

     f2fs_get_node_info+0x45f/0x1070      read_node_page+0x577/0x1190
     __get_node_page.part.0+0x9e/0x10e0
     __get_node_page      f2fs_get_node_page+0x109/0x180      do_read_inode      f2fs_iget+0x2a5/0x58b0      f2fs_fill_super+0x3b39/0x7ca0

    Fix these two WARNs by replacing WARN_ON with dump_stack.

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

  - f2fs: remove WARN_ON in f2fs_is_valid_blkaddr Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
    __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr, if type is DATA_GENERIC_ENHANCE or     DATA_GENERIC_ENHANCE_READ, it invokes WARN_ON if blkaddr is not in the right range. The call trace is as     follows: f2fs_get_node_info+0x45f/0x1070 read_node_page+0x577/0x1190 __get_node_page.part.0+0x9e/0x10e0
    __get_node_page f2fs_get_node_page+0x109/0x180 do_read_inode f2fs_iget+0x2a5/0x58b0     f2fs_fill_super+0x3b39/0x7ca0 Fix these two WARNs by replacing WARN_ON with dump_stack. (CVE-2022-49318)

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-2025-987566 advisory.

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

    f2fs: remove WARN_ON in f2fs_is_valid_blkaddr

    Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and
    __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,     if type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,     it invokes WARN_ON if blkaddr is not in the right range.
    The call trace is as follows:

     f2fs_get_node_info+0x45f/0x1070      read_node_page+0x577/0x1190
     __get_node_page.part.0+0x9e/0x10e0
     __get_node_page      f2fs_get_node_page+0x109/0x180      do_read_inode      f2fs_iget+0x2a5/0x58b0      f2fs_fill_super+0x3b39/0x7ca0

    Fix these two WARNs by replacing WARN_ON with dump_stack.

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
225428	Linux Distros 未修補的弱點：CVE-2022-49318	Nessus	Misc.	2025/3/5	2026/1/14	medium
225428	Linux Distros 未修补的漏洞：CVE-2022-49318	Nessus	Misc.	2025/3/5	2026/1/14	medium
225428	Linux Distros のパッチ未適用の脆弱性: CVE-2022-49318	Nessus	Misc.	2025/3/5	2026/1/14	medium
273765	Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988972)	Nessus	Unity Linux Local Security Checks	2025/11/5	2025/11/5	medium
275906	TencentOS Server 4: kernel (TSSA-2025:0346)	Nessus	Tencent Local Security Checks	2025/11/20	2026/3/11	high
151965	Photon OS 4.0: Linux PHSA-2021-4.0-0065	Nessus	PhotonOS Local Security Checks	2021/7/22	2026/3/23	high
225428	Linux Distros Unpatched Vulnerability : CVE-2022-49318	Nessus	Misc.	2025/3/5	2026/1/14	medium
271044	Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987566)	Nessus	Unity Linux Local Security Checks	2025/10/21	2025/10/21	medium

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