漏洞信息
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Vulnerability Title
net: qrtr: Avoid potential use after free in MHI send
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Avoid potential use after free in MHI send It is possible that the MHI ul_callback will be invoked immediately following the queueing of the skb for transmission, leading to the callback decrementing the refcount of the associated sk and freeing the skb. As such the dereference of skb and the increment of the sk refcount must happen before the skb is queued, to avoid the skb to be used after free and potentially the sk to drop its last refcount..
CVSS Information
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Vulnerability Type
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Vulnerability Title
Linux kernel 安全漏洞
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于 MHI ul_callback 可能会在 skb 排队等待传输之后立即调用，导致回调减少相关 sk 的引用计数并释放 skb。
CVSS Information
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Vulnerability Type
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