1 files changed, 53 insertions, 0 deletions
diff --git a/meta/recipes-support/curl/curl/CVE-2023-27536.patch b/meta/recipes-support/curl/curl/CVE-2023-27536.patch
new file mode 100644
index 0000000000..d3d1d2dc2e
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2023-27536.patch
@@ -0,0 +1,53 @@
+From cb49e67303dbafbab1cebf4086e3ec15b7d56ee5 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Fri, 10 Mar 2023 09:22:43 +0100
+Subject: [PATCH] url: only reuse connections with same GSS delegation
+
+Upstream-Status: Backport from [https://github.com/curl/curl/commit/cb49e67303dbafbab1cebf4086e3ec15b7d56ee5]
+CVE: CVE-2023-27536
+Signed-off-by: Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
+Signed-off-by: Siddharth Doshi <sdoshi@mvista.com>
+Signed-off-by: Sourav Kumar Pramanik <pramanik.souravkumar@gmail.com>
+---
+ lib/url.c     | 6 ++++++
+ lib/urldata.h | 1 +
+ 2 files changed, 7 insertions(+)
+
+diff --git a/lib/url.c b/lib/url.c
+index 280171c..c6413a1 100644
+--- a/lib/url.c
++++ b/lib/url.c
+@@ -1341,6 +1341,11 @@ ConnectionExists(struct Curl_easy *data,
+         }
+       }
+ 
++      /* GSS delegation differences do not actually affect every connection
++         and auth method, but this check takes precaution before efficiency */
++      if(needle->gssapi_delegation != check->gssapi_delegation)
++        continue;
++
+       /* If multiplexing isn't enabled on the h2 connection and h1 is
+          explicitly requested, handle it: */
+       if((needle->handler->protocol & PROTO_FAMILY_HTTP) &&
+@@ -1813,6 +1818,7 @@ static struct connectdata *allocate_conn(struct Curl_easy *data)
+   conn->fclosesocket = data->set.fclosesocket;
+   conn->closesocket_client = data->set.closesocket_client;
+   conn->lastused = Curl_now(); /* used now */
++  conn->gssapi_delegation = data->set.gssapi_delegation;
+ 
+   return conn;
+   error:
+diff --git a/lib/urldata.h b/lib/urldata.h
+index 6e6122a..602c735 100644
+--- a/lib/urldata.h
++++ b/lib/urldata.h
+@@ -1131,6 +1131,7 @@ struct connectdata {
+   int socks5_gssapi_enctype;
+ #endif
+   unsigned short localport;
++  long gssapi_delegation; /* inherited from set.gssapi_delegation */
+ };
+ 
+ /* The end of connectdata. */
+-- 
+2.35.7