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：net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter. (CVE-2021-47137)

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：net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter. (CVE-2021-47137)

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 カーネルでは、以下の脆弱性が解決されています: net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter. (CVE-2021-47137)

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 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: net: lantiq: fix memory corruption in     RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into     the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the     previous skb and mapping and drop the packet. This patch also increments rx drop counter. (CVE-2021-47137)

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
249603	Linux Distros 未修补的漏洞：CVE-2021-47137	Nessus	Misc.	2025/8/15	2026/7/17	high
249603	Linux Distros 未修補的弱點：CVE-2021-47137	Nessus	Misc.	2025/8/15	2026/7/17	high
249603	Linux Distros のパッチ未適用の脆弱性: CVE-2021-47137	Nessus	Misc.	2025/8/15	2026/7/17	high
239060	TencentOS Server 4: kernel (TSSA-2024:0958)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/23	high
249603	Linux Distros Unpatched Vulnerability : CVE-2021-47137	Nessus	Misc.	2025/8/15	2026/7/17	high

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