Denial of Service Vulnerability in Linux Kernel's assoc_array_insert_into_terminal_node Function

CVE-2017-12193 · MEDIUM Severity

AV:L/AC:L/AU:N/C:N/I:N/A:C

The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.

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