kernel: ipv6: mcast: Delay put pmc->idev in mld_del_delrec()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Delay put pmc-idev in mlddeldelrec pmc-idev is still used in ip6mcclearsrc, so as mldcleardelrec does, the reference should be put after ip6mcclearsrc return...

Integer overflow

Multiple integer overflows in the IPMSFILTER and IPV6MSFILTER features in 1 sys/netinet/inmcast.c and 2 sys/netinet6/in6mcast.c in the multicast implementation in the kernel in FreeBSD 8.3 through 9.2-PRERELEASE allow local users to bypass intended restrictions on kernel-memory read and write...