Vulnerability Information
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Vulnerability Title
SUNRPC: lock against ->sock changing during sysfs read
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: lock against ->sock changing during sysfs read ->sock can be set to NULL asynchronously unless ->recv_mutex is held. So it is important to hold that mutex. Otherwise a sysfs read can trigger an oops. Commit 17f09d3f619a ("SUNRPC: Check if the xprt is connected before handling sysfs reads") appears to attempt to fix this problem, but it only narrows the race window.
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SUNRPC模块中发现竞争条件问题。在sysfs读取过程中，如果不持有recv_mutex，则-esock可能会被异步设置为NULL。
CVSS Information
N/A
Vulnerability Type
N/A