diff options
Diffstat (limited to 'meta-networking/recipes-support/wireshark/files/CVE-2023-1992.patch')
-rw-r--r-- | meta-networking/recipes-support/wireshark/files/CVE-2023-1992.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/meta-networking/recipes-support/wireshark/files/CVE-2023-1992.patch b/meta-networking/recipes-support/wireshark/files/CVE-2023-1992.patch new file mode 100644 index 0000000000..6bddf975d0 --- /dev/null +++ b/meta-networking/recipes-support/wireshark/files/CVE-2023-1992.patch @@ -0,0 +1,61 @@ +From 3c8be14c827f1587da3c2b3bb0d9c04faff57413 Mon Sep 17 00:00:00 2001 +From: John Thacker <johnthacker@gmail.com> +Date: Sun, 19 Mar 2023 15:16:39 -0400 +Subject: [PATCH] RPCoRDMA: Frame end cleanup for global write offsets + +Add a frame end routine for a global which is assigned to packet +scoped memory. It really should be made proto data, but is used +in a function in the header (that doesn't take the packet info +struct as an argument) and this fix needs to be made in stable +branches. + +Fix #18852 + +Upstream-Status: Backport [https://gitlab.com/colin.mcinnes/wireshark/-/commit/3c8be14c827f1587da3c2b3bb0d9c04faff5741] +CVE: CVE-2023-1992 +Signed-off-by: Vivek Kumbhar <vkumbhar@mvista.com> +--- + epan/dissectors/packet-rpcrdma.c | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/epan/dissectors/packet-rpcrdma.c b/epan/dissectors/packet-rpcrdma.c +index 76085c7..9d57bae 100644 +--- a/epan/dissectors/packet-rpcrdma.c ++++ b/epan/dissectors/packet-rpcrdma.c +@@ -24,6 +24,7 @@ + #include <epan/addr_resolv.h> + + #include "packet-rpcrdma.h" ++#include "packet-frame.h" + #include "packet-infiniband.h" + #include "packet-iwarp-ddp-rdmap.h" + +@@ -270,6 +271,18 @@ void rpcrdma_insert_offset(gint offset) + wmem_array_append_one(gp_rdma_write_offsets, offset); + } + ++/* ++ * Reset the array of write offsets at the end of the frame. These ++ * are packet scoped, so they don't need to be freed, but we want ++ * to ensure that the global doesn't point to no longer allocated ++ * memory in a later packet. ++ */ ++static void ++reset_write_offsets(void) ++{ ++ gp_rdma_write_offsets = NULL; ++} ++ + /* Get conversation state, it is created if it does not exist */ + static rdma_conv_info_t *get_rdma_conv_info(packet_info *pinfo) + { +@@ -1392,6 +1405,7 @@ dissect_rpcrdma(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data + if (write_size > 0 && !pinfo->fd->visited) { + /* Initialize array of write chunk offsets */ + gp_rdma_write_offsets = wmem_array_new(wmem_packet_scope(), sizeof(gint)); ++ register_frame_end_routine(pinfo, reset_write_offsets); + TRY { + /* + * Call the upper layer dissector to get a list of offsets +-- +2.40.1 |