diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.8.8.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.8.8.ebuild index 4f12815aae..f550cab943 100644 --- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.8.8.ebuild +++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/coreos-sources-5.8.8.ebuild @@ -35,5 +35,4 @@ UNIPATCH_LIST=" ${PATCH_DIR}/z0001-kbuild-derive-relative-path-for-KBUILD_SRC-from-CURD.patch \ ${PATCH_DIR}/z0002-tools-objtool-Makefile-Don-t-fail-on-fallthrough-wit.patch \ ${PATCH_DIR}/z0003-net-netfilter-add-nf_conntrack_ipv4-compat-module-fo.patch \ - ${PATCH_DIR}/z0004-net_packet_fix_overflow_in_tpacket_rcv_patch.patch \ " diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/5.8/z0004-net_packet_fix_overflow_in_tpacket_rcv_patch.patch b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/5.8/z0004-net_packet_fix_overflow_in_tpacket_rcv_patch.patch deleted file mode 100644 index 4a7b2faa7b..0000000000 --- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-sources/files/5.8/z0004-net_packet_fix_overflow_in_tpacket_rcv_patch.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 3ad04c9555b93ac6a374b0921ad41849caf22067 Mon Sep 17 00:00:00 2001 -From: Or Cohen -Date: Sun, 30 Aug 2020 20:04:51 +0300 -Subject: [PATCH] net/packet: fix overflow in tpacket_rcv - -Using tp_reserve to calculate netoff can overflow as -tp_reserve is unsigned int and netoff is unsigned short. - -This may lead to macoff receving a smaller value then -sizeof(struct virtio_net_hdr), and if po->has_vnet_hdr -is set, an out-of-bounds write will occur when -calling virtio_net_hdr_from_skb. - -The bug is fixed by converting netoff to unsigned int -and checking if it exceeds USHRT_MAX. - -Fixes: 8913336a7e8d ("packet: add PACKET_RESERVE sockopt") -Signed-off-by: Or Cohen ---- - net/packet/af_packet.c | 7 ++++++- - 1 file changed, 6 insertions(+), 1 deletion(-) - -diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c -index 29bd405adbbd..d37435906859 100644 ---- a/net/packet/af_packet.c -+++ b/net/packet/af_packet.c -@@ -2168,7 +2168,8 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, - int skb_len = skb->len; - unsigned int snaplen, res; - unsigned long status = TP_STATUS_USER; -- unsigned short macoff, netoff, hdrlen; -+ unsigned short macoff, hdrlen; -+ unsigned int netoff; - struct sk_buff *copy_skb = NULL; - struct timespec64 ts; - __u32 ts_status; -@@ -2237,6 +2238,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, - } - macoff = netoff - maclen; - } -+ if (netoff > USHRT_MAX) { -+ atomic_inc(&po->tp_drops); -+ goto drop_n_restore; -+ } - if (po->tp_version <= TPACKET_V2) { - if (macoff + snaplen > po->rx_ring.frame_size) { - if (po->copy_thresh && --- -2.17.1 -