An issue found in TCPreplay tcprewrite v.4.4.3 allows a remote attacker to 
cause a denial
of service via the tcpedit_dlt_cleanup function at plugins/dlt_plugins.c.

Signed-off-by: Archana Polampalli <archana.polampa...@windriver.com>
---
 .../tcpreplay/tcpreplay/CVE-2023-27783.patch  | 29 +++++++++++++++++++
 .../tcpreplay/tcpreplay_4.4.2.bb              |  4 ++-
 2 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 
meta-networking/recipes-support/tcpreplay/tcpreplay/CVE-2023-27783.patch

diff --git 
a/meta-networking/recipes-support/tcpreplay/tcpreplay/CVE-2023-27783.patch 
b/meta-networking/recipes-support/tcpreplay/tcpreplay/CVE-2023-27783.patch
new file mode 100644
index 000000000..59adff615
--- /dev/null
+++ b/meta-networking/recipes-support/tcpreplay/tcpreplay/CVE-2023-27783.patch
@@ -0,0 +1,29 @@
+From e831aad6d48874abab6efa37d4460da2be3ac765  Mon Sep 17 00:00:00 2001
+From: Marsman1996 <lqliuyu...@outlook.com>
+Date: Wed Mar 1 14:48:48 2023 +0800
+Subject: [PATCH] dlt_jnpr_ether_cleanup: check subctx before cleanup
+
+CVE: CVE-2023-27783
+Upstream-Status: Backport 
[https://github.com/appneta/tcpreplay/commit/7aca59e4fc96fc1d0e43a3d64b2f9fc9a46b6ca8]
+
+Signed-off-by: Archana Polampalli <archana.polampa...@windriver.com>
+---
+ src/tcpedit/plugins/dlt_jnpr_ether/jnpr_ether.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/tcpedit/plugins/dlt_jnpr_ether/jnpr_ether.c 
b/src/tcpedit/plugins/dlt_jnpr_ether/jnpr_ether.c
+index e282ef4..98b67e9 100644
+--- a/src/tcpedit/plugins/dlt_jnpr_ether/jnpr_ether.c
++++ b/src/tcpedit/plugins/dlt_jnpr_ether/jnpr_ether.c
+@@ -168,7 +168,8 @@ dlt_jnpr_ether_cleanup(tcpeditdlt_t *ctx)
+         jnpr_ether_config_t *config;
+
+         config = (jnpr_ether_config_t *)ctx->encoder->config;
+-        tcpedit_dlt_cleanup(config->subctx);
++        if (config->subctx != NULL)
++            tcpedit_dlt_cleanup(config->subctx);
+         safe_free(plugin->config);
+         plugin->config = NULL;
+         plugin->config_size = 0;
+--
+2.40.0
diff --git a/meta-networking/recipes-support/tcpreplay/tcpreplay_4.4.2.bb 
b/meta-networking/recipes-support/tcpreplay/tcpreplay_4.4.2.bb
index 165a0e735..ccff19f16 100644
--- a/meta-networking/recipes-support/tcpreplay/tcpreplay_4.4.2.bb
+++ b/meta-networking/recipes-support/tcpreplay/tcpreplay_4.4.2.bb
@@ -7,7 +7,9 @@ SECTION = "net"
 LICENSE = "GPL-3.0-only"
 LIC_FILES_CHKSUM = "file://docs/LICENSE;md5=10f0474a2f0e5dccfca20f69d6598ad8"
 
-SRC_URI = 
"https://github.com/appneta/tcpreplay/releases/download/v${PV}/tcpreplay-${PV}.tar.gz";
+SRC_URI = 
"https://github.com/appneta/tcpreplay/releases/download/v${PV}/tcpreplay-${PV}.tar.gz
 \
+           file://CVE-2023-27783.patch \
+           "
 
 SRC_URI[sha256sum] = 
"5b272cd83b67d6288a234ea15f89ecd93b4fadda65eddc44e7b5fcb2f395b615"
 
-- 
2.40.0

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