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: io_uring: fix overflows checks in     provide buffers Colin reported before possible overflow and sign extension problems in     io_provide_buffers_prep(). As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce     (io_uring: fix provide_buffers sign extension). Do that with help of check_<op>_overflow helpers. And     fix struct io_provide_buf::len type, as it doesn't make much sense to keep it signed. (CVE-2021-47040)

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

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 カーネルでは、以下の脆弱性が解決されています: io_uring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in io_provide_buffers_prep(). As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce (io_uring: fix provide_buffers sign extension). Do that with help of check_<op>_overflow helpers. And fix struct io_provide_buf::len type, as it doesn't make much sense to keep it signed. (CVE-2021-47040)

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。

  - 已修复 Linux 内核中的下列漏洞：io_uring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in io_provide_buffers_prep(). As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce (io_uring: fix provide_buffers sign extension). Do that with help of check_<op>_overflow helpers. And fix struct io_provide_buf::len type, as it doesn't make much sense to keep it signed. (CVE-2021-47040)

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。

  - 已解決 Linux 核心中的下列弱點：io_uring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in io_provide_buffers_prep(). As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce (io_uring: fix provide_buffers sign extension). Do that with help of check_<op>_overflow helpers. And fix struct io_provide_buf::len type, as it doesn't make much sense to keep it signed. (CVE-2021-47040)

請注意，Nessus 依賴供應商報告的套件存在。

ID	Name	Product	Family	Published	Updated	Severity
250174	Linux Distros Unpatched Vulnerability : CVE-2021-47040	Nessus	Misc.	8/15/2025	8/15/2025	high
250174	Linux Distros のパッチ未適用の脆弱性: CVE-2021-47040	Nessus	Misc.	8/15/2025	8/15/2025	high
250174	Linux Distros 未修补的漏洞：CVE-2021-47040	Nessus	Misc.	8/15/2025	8/15/2025	high
250174	Linux Distros 未修補的弱點：CVE-2021-47040	Nessus	Misc.	8/15/2025	8/15/2025	high
195280	EulerOS 2.0 SP10 : kernel (EulerOS-SA-2024-1570)	Nessus	Huawei Local Security Checks	5/9/2024	7/9/2024	high
160459	Amazon Linux 2 : kernel (ALASKERNEL-5.10-2022-002)	Nessus	Amazon Linux Local Security Checks	5/2/2022	11/7/2025	high
160459	Amazon Linux 2：kernel (ALASKERNEL-5.10-2022-002)	Nessus	Amazon Linux Local Security Checks	5/2/2022	11/7/2025	high
160459	Amazon Linux 2：内核 (ALASKERNEL-5.10-2022-002)	Nessus	Amazon Linux Local Security Checks	5/2/2022	11/7/2025	high
202654	EulerOS Virtualization 2.10.1 : kernel (EulerOS-SA-2024-2002)	Nessus	Huawei Local Security Checks	7/18/2024	7/19/2024	high
160459	Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2022-002 (ALASKERNEL-5.10-2022-002)	Nessus	Amazon Linux Local Security Checks	5/2/2022	11/7/2025	high

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