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 4.14.90 的 drivers/dma/qcom/hidma_dbg.c 中hidma_chan_stats 函数允许本地用户通过读取 debugfs 文件中的 callback= 行获取敏感地址信息。
    (CVE-2018-20449)

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。

  - Linux 核心之 drivers/dma/qcom/hidma_dbg.c 中的 hidma_chan_stats 函式 4.14.90 允許本機使用者透過讀取 debugfs 檔案中的 callback= 行取得敏感位址資訊。
    (CVE-2018-20449)

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。

  - Linux カーネル 4.14.90 の drivers/dma/qcom/hidma_dbg.c の hidma_chan_stats 関数により、ローカルユーザーが、debugfs ファイルの callback= lines を読み取ることで、機密アドレス情報を取得することが可能です。
    (CVE-2018-20449)

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-2026-003017 advisory.

    The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local     users to obtain sensitive address information by reading callback= lines in a debugfs file.

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-2026-002869 advisory.

    The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local     users to obtain sensitive address information by reading callback= lines in a debugfs file.

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-2026-001651 advisory.

    The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local     users to obtain sensitive address information by reading callback= lines in a debugfs file.

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.

  - The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local     users to obtain sensitive address information by reading callback= lines in a debugfs file.
    (CVE-2018-20449)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
246240	Linux Distros 未修补的漏洞：CVE-2018-20449	Nessus	Misc.	2025/8/8	2025/8/8	medium
246240	Linux Distros 未修補的弱點：CVE-2018-20449	Nessus	Misc.	2025/8/8	2025/8/8	medium
246240	Linux Distros のパッチ未適用の脆弱性: CVE-2018-20449	Nessus	Misc.	2025/8/8	2025/8/8	medium
287335	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003017)	Nessus	Unity Linux Local Security Checks	2026/1/15	2026/1/16	medium
287354	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002869)	Nessus	Unity Linux Local Security Checks	2026/1/15	2026/1/16	medium
290291	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001651)	Nessus	Unity Linux Local Security Checks	2026/1/16	2026/1/16	medium
246240	Linux Distros Unpatched Vulnerability : CVE-2018-20449	Nessus	Misc.	2025/8/8	2025/8/8	medium

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