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 5.11 到 5.12.2中net/can/isotp.c 中的 isotp_setsockopt 允许利用释放后重用将权限提升至 root。这不会影响缺少 CAN ISOTP SF_BROADCAST 支持的较早版本。(CVE-2021-32606)

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。

  - 在 Linux 核心 5.11 到 5.12.2中net/can/isotp.c 的 isotp_setsockopt 會利用釋放後使用允許權限提升至 root。(這不會影響缺少 CAN ISOTP SF_BROADCAST 支援的舊版。) (CVE-2021-32606)

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 5.11 から 5.12.2では、net/can/isotp.c の isotp_setsockopt により、use-after-free を利用した root への権限昇格が可能です。これはCAN ISOTP SF_BROADCASTサポートがない以前のバージョンには影響しませんCVE-2021-32606

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-2026-013451 advisory.

    In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation     to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP     SF_BROADCAST support.)

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 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation     to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP     SF_BROADCAST support.) (CVE-2021-32606)

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-2026-010749 advisory.

    In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation     to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP     SF_BROADCAST support.)

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
247160	Linux Distros 未修补的漏洞：CVE-2021-32606	Nessus	Misc.	2025/8/10	2025/8/10	high
247160	Linux Distros 未修補的弱點：CVE-2021-32606	Nessus	Misc.	2025/8/10	2025/8/10	high
247160	Linux Distros のパッチ未適用の脆弱性: CVE-2021-32606	Nessus	Misc.	2025/8/10	2025/8/10	high
309301	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013451)	Nessus	Unity Linux Local Security Checks	2026/4/22	2026/4/26	high
247160	Linux Distros Unpatched Vulnerability : CVE-2021-32606	Nessus	Misc.	2025/8/10	2025/8/10	high
308411	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010749)	Nessus	Unity Linux Local Security Checks	2026/4/21	2026/4/22	high

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