Red Hat Security Advisory 2018-0169-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An integer overflow vulnerability in ip6_find_1stfragopt() function was found. A local attacker that has privileges to open raw socket can cause an infinite loop inside the ip6_find_1stfragopt() function. The IPv6 fragmentation implementation in the Linux kernel does not consider that the nexthdr field may be associated with an invalid option, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted socket and send system calls. Due to the nature of the flaw, privilege escalation cannot be fully ruled out, although we believe it is unlikely.
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