Late Check in __ip6_append_data Function Allows for Denial of Service in Linux Kernel

CVE-2017-9242 · MEDIUM Severity

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

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

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