abe003640c
While processing ARP/NCSI packets in 'arp_input' or 'ncsi_input' routines, ensure that pkt_len is large enough to accommodate the respective protocol headers, lest it should do an OOB access. Add check to avoid it. CVE-2020-29129 CVE-2020-29130 QEMU: slirp: out-of-bounds access while processing ARP/NCSI packets -> https://www.openwall.com/lists/oss-security/2020/11/27/1 Reported-by: Qiuhao Li <Qiuhao.Li@outlook.com> Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> Message-Id: <20201126135706.273950-1-ppandit@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> (cherry-picked from 2e1dcbc0) Signed-off-by: Alex Chen <alex.chen@huawei.com>