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：misc: fastrpc: Fix use-after-free and race in fastrpc_map_find Currently, there is a race window between the point when the mutex is unlocked in fastrpc_map_lookup and the reference count increasing (fastrpc_map_get) in fastrpc_map_find, which can also lead to use-after-free. So lets merge fastrpc_map_find into fastrpc_map_lookup which allows us to both protect the maps list by also taking the &fl->lock spinlock and the reference count, since the spinlock will be released only after. Add take_ref argument to make this suitable for all callers.
    (CVE-2022-48874)

請注意，Nessus 依賴供應商報告的套件存在。

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。

  - 已修复 Linux 内核中的下列漏洞：misc: fastrpc: Fix use-after-free and race in fastrpc_map_find Currently, there is a race window between the point when the mutex is unlocked in fastrpc_map_lookup and the reference count increasing (fastrpc_map_get) in fastrpc_map_find, which can also lead to use-after-free. So lets merge fastrpc_map_find into fastrpc_map_lookup which allows us to both protect the maps list by also taking the &fl->lock spinlock and the reference count, since the spinlock will be released only after. Add take_ref argument to make this suitable for all callers.
    (CVE-2022-48874)

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。

  - Linux カーネルでは、以下の脆弱性が解決されています: misc: fastrpc: Fix use-after-free and race in fastrpc_map_find Currently, there is a race window between the point when the mutex is unlocked in fastrpc_map_lookup and the reference count increasing (fastrpc_map_get) in fastrpc_map_find, which can also lead to use-after-free. So lets merge fastrpc_map_find into fastrpc_map_lookup which allows us to both protect the maps list by also taking the &fl->lock spinlock and the reference count, since the spinlock will be released only after. Add take_ref argument to make this suitable for all callers.
    (CVE-2022-48874)

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: misc: fastrpc: Fix use-after-free and     race in fastrpc_map_find Currently, there is a race window between the point when the mutex is unlocked in     fastrpc_map_lookup and the reference count increasing (fastrpc_map_get) in fastrpc_map_find, which can     also lead to use-after-free. So lets merge fastrpc_map_find into fastrpc_map_lookup which allows us to     both protect the maps list by also taking the &fl->lock spinlock and the reference count, since the     spinlock will be released only after. Add take_ref argument to make this suitable for all callers.
    (CVE-2022-48874)

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
247780	Linux Distros 未修補的弱點：CVE-2022-48874	Nessus	Misc.	2025/8/10	2025/8/10	high
247780	Linux Distros 未修补的漏洞：CVE-2022-48874	Nessus	Misc.	2025/8/10	2025/8/10	high
247780	Linux Distros のパッチ未適用の脆弱性: CVE-2022-48874	Nessus	Misc.	2025/8/10	2025/8/10	high
247780	Linux Distros Unpatched Vulnerability : CVE-2022-48874	Nessus	Misc.	2025/8/10	2025/8/10	high
239534	TencentOS Server 4: kernel (TSSA-2025:0038)	Nessus	Tencent Local Security Checks	2025/6/16	2025/11/23	high

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