Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2018-12232

In net/socket.c in the Linux kernel through 4.17.1, there is a race condition between fchownat and close in cases where they target the same socket file descriptor, related to the sock_close and sockfs_setattr functions. fchownat does not increment the file descriptor reference count, which allows close to set the socket to NULL during fchownat's execution, leading to a NULL pointer dereference and system crash.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.033
EPSS Ranking 86.7%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 7.1
References
Products affected by CVE-2018-12232


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