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vulnerability note CVE-2018-12232

Linux kernel: NULL pointer dereference via sock_close/sockfs_setattr

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via sock_close/sockfs_setattr of the Linux kernel, in order to trigger a denial of service.
Impacted products: Fedora, Linux.
Severity: 1/4.
Creation date: 13/06/2018.
Identifiers: CVE-2018-12232, FEDORA-2018-bb7aab12cb, VIGILANCE-VUL-26414.

Description of the vulnerability

The Noyau Linux product offers a web service.

However, it does not check if a pointer is NULL, before using it.

An attacker can therefore force a NULL pointer to be dereferenced via sock_close/sockfs_setattr of the Linux kernel, in order to trigger a denial of service.
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