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

  - uutils coreutils 在 0.10.0 完成擁有權變更之前套用 setuid 或 setgid 模式來安裝目的地之前，允許特權使用者在擁有權變更失敗時保留特權調用者擁有的 setuid 執行檔。當功能受限的系統上擁有權變更作業失敗時，攻擊者可以使用提升的權限執行剩餘的 setuid 檔案。（CVE-2026-93658）

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

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。

  - uutils coreutils 之前 0.10.0 的版本在最终确定所有权变更之前，将 setuid 或 setgid 模式应用于安装目标，从而允许特权用户在所有权变更失败时将 setuid 可执行文件保留为特权调用程序所有。当所有权变更操作在功能受限的系统上失败时，攻击者可以提升的权限执行剩余的 setuid 文件。（CVE-2026-93658）

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。

  - 0.10.0 より前の uutils coreutils バージョンは、所有権の変更を確定する前に、setuid または setgid モードを適用してインストール先をインストールします。これにより、所有権の変更が失敗したときに、特権ユーザーは、特権のある setuid 実行ファイルを、特権呼び出し元が所有したままにすることができます。攻撃者が、所有権の変更操作が機能制限のあるシステムで失敗したときに、昇格した権限で残された setuid ファイルを実行できます。(CVE-2026-93658)

Nessus は、ベンダーから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 remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-9041-1 advisory.

    It was discovered that uutils coreutils mkfifo incorrectly continued processing when a target file already     existed, applying default permissions to the existing file. A local attacker could possibly use this issue     to obtain sensitive information or modify file permissions unexpectedly. (CVE-2026-35341)

    It was discovered that uutils coreutils dd incorrectly suppressed errors during file truncation     operations. A local attacker could possibly use this issue to cause silent data corruption.
    (CVE-2026-35344)

    It was discovered that uutils coreutils tail incorrectly followed symbolic links when using the
    --follow=name option. A local attacker could possibly use this issue to obtain sensitive information.
    (CVE-2026-35345)

    It was discovered that uutils coreutils sort crashed when processing filenames containing non-UTF-8 bytes.
    A local attacker could possibly use this issue to cause a denial of service. (CVE-2026-35348)

    It was discovered that uutils coreutils cp incorrectly preserved setuid and setgid bits when ownership     changes failed. A local attacker could possibly use this issue to gain elevated privileges.
    (CVE-2026-35350)

    It was discovered that uutils coreutils mv failed to preserve file ownership when moving files across file     system boundaries. A local attacker could possibly use this issue to obtain sensitive information or cause     unintended access restrictions. (CVE-2026-35351)

    It was discovered that uutils coreutils mv had a time-of-check to time-of-use race condition in its     extended attribute preservation logic. A local attacker with write access to a directory could possibly     use this issue to modify security labels on unintended files. (CVE-2026-35354)

    It was discovered that uutils coreutils cp had a race condition in its file creation logic, initially     creating destination files with overly permissive modes. A local attacker could possibly use this issue to     obtain sensitive information. (CVE-2026-35357)

    It was discovered that uutils coreutils cp had a time-of-check to time-of-use race condition when handling     symbolic links. A local attacker with write access to a directory could possibly use this issue to obtain     sensitive information. (CVE-2026-35359)

    It was discovered that uutils coreutils touch had a time-of-check to time-of-use race condition during     file creation. A local attacker could possibly use this issue to cause data loss. (CVE-2026-35360)

    It was discovered that uutils coreutils rm failed to recognize trailing slashes on the current directory     path. A local attacker could possibly use this issue to cause data loss. (CVE-2026-35363)

    It was discovered that uutils coreutils mv had a time-of-check to time-of-use race condition during cross-     device operations. A local attacker with write access to a directory could possibly use this issue to     overwrite arbitrary files. (CVE-2026-35364)

    It was discovered that uutils coreutils nohup created its output file with world-readable permissions. A     local attacker could possibly use this issue to obtain sensitive information. (CVE-2026-35367)

    It was discovered that uutils coreutils chroot incorrectly resolved user specifications before dropping     root privileges, allowing Name Service Switch modules to be loaded from the new root directory. A local     attacker with write access to the chroot directory could possibly use this issue to execute arbitrary code     as root. (CVE-2026-35368)

    It was discovered that uutils coreutils ln failed to process filenames containing non-UTF-8 bytes, causing     the utility to exit with an error. A local attacker could possibly use this issue to cause a denial of     service. (CVE-2026-35373)

    It was discovered that uutils coreutils split had a time-of-check to time-of-use race condition in its     input and output file validation. A local attacker with write access to a directory could possibly use     this issue to cause data loss. (CVE-2026-35374)

    It was discovered that uutils coreutils chcon had a time-of-check to time-of-use race condition during     recursive relabeling operations. A local attacker with write access to a directory could possibly use this     issue to modify security labels on unintended files. (CVE-2026-35376)

    It was discovered that uutils coreutils env incorrectly handled backslash sequences within single quotes     when using the -S option. A local attacker could possibly use this issue to cause a denial of service.
    (CVE-2026-35377)

    It was discovered that uutils coreutils install applied setuid and setgid mode bits to destination files     before completing ownership changes. A local attacker could possibly use this issue to gain elevated     privileges. (CVE-2026-93658)

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

Note that Nessus has not tested for these issues 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.

  - uutils coreutils versions before 0.10.0 apply setuid or setgid mode to install destinations before     finalizing ownership changes, allowing privileged users to leave setuid executables owned by the     privileged invoker when ownership changes fail. Attackers can execute leftover setuid files with elevated     privileges when ownership change operations fail on capability-restricted systems. (CVE-2026-93658)

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

ID	名稱	產品	系列	已發布	已更新	嚴重性
348645	Linux Distros 未修補弱點：CVE-2026-93658	Nessus	Misc.	2026/9/21	2026/11/13	high
348645	Linux Distros 未修补的漏洞：CVE-2026-93658	Nessus	Misc.	2026/9/21	2026/11/13	high
348645	Linux Distros のパッチ未適用の脆弱性: CVE-2026-93658	Nessus	Misc.	2026/9/21	2026/11/13	high
381352	Ubuntu 26.04 LTS : uutils coreutils vulnerabilities (USN-9041-1)	Nessus	Ubuntu Local Security Checks	2026/11/14	2026/11/14	high
348645	Linux Distros Unpatched Vulnerability : CVE-2026-93658	Nessus	Misc.	2026/9/21	2026/11/13	high

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