Vulnerability Information
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Vulnerability Title
dma-buf: insert memory barrier before updating num_fences
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: dma-buf: insert memory barrier before updating num_fences smp_store_mb() inserts memory barrier after storing operation. It is different with what the comment is originally aiming so Null pointer dereference can be happened if memory update is reordered.
CVSS Information
N/A
Vulnerability Type
N/A
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dma-buf在更新num_fences前未插入内存屏障，可能导致空指针取消引用。
CVSS Information
N/A
Vulnerability Type
N/A