net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel before...

Vulnerability Description

net/ipv6/addrconf.c in the IPv6 stack in the Linux kernel before 4.0 does not validate attempted changes to the MTU value, which allows context-dependent attackers to cause a denial of service (packet loss) via a value that is (1) smaller than the minimum compliant value or (2) larger than the MTU of an interface, as demonstrated by a Router Advertisement (RA) message that is not validated by a daemon, a different vulnerability than CVE-2015-0272. NOTE: the scope of CVE-2015-0272 is limited to the NetworkManager product.

References

• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
• http://rhn.redhat.com/errata/RHSA-2016-0855.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
• http://www.debian.org/security/2015/dsa-3364
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
• http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
• https://bugs.launchpad.net/bugs/1500810
• https://bugzilla.novell.com/show_bug.cgi?id=944296
• http://www.securityfocus.com/bid/85274
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
• https://github.com/torvalds/linux/commit/77751427a1ff25b27d47a4c36b12c3c8667855ac
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=77751427a1ff25b27d47a4c36b12c3c8667855ac
• https://bugzilla.redhat.com/show_bug.cgi?id=1192132