1 files changed, 49 insertions, 0 deletions

diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2024-31080.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2024-31080.patch
new file mode 100644
index 0000000000..da735efb2b
--- /dev/null
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2024-31080.patch
@@ -0,0 +1,49 @@
+From 96798fc1967491c80a4d0c8d9e0a80586cb2152b Mon Sep 17 00:00:00 2001
+From: Alan Coopersmith <alan.coopersmith@oracle.com>
+Date: Fri, 22 Mar 2024 18:51:45 -0700
+Subject: [PATCH] Xi: ProcXIGetSelectedEvents needs to use unswapped length to
+ send reply
+
+CVE-2024-31080
+
+Reported-by: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=69762
+Fixes: 53e821ab4 ("Xi: add request processing for XIGetSelectedEvents.")
+Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
+Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1463>
+
+Upstream-Status: Backport [https://gitlab.freedesktop.org/xorg/xserver/-/commit/96798fc1967491c80a4d0c8d9e0a80586cb2152b]
+CVE: CVE-2024-31080
+Signed-off-by: Ashish Sharma <asharma@mvista.com>
+
+ Xi/xiselectev.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/Xi/xiselectev.c b/Xi/xiselectev.c
+index edcb8a0d36..ac14949871 100644
+--- a/Xi/xiselectev.c
++++ b/Xi/xiselectev.c
+@@ -349,6 +349,7 @@ ProcXIGetSelectedEvents(ClientPtr client)
+     InputClientsPtr others = NULL;
+     xXIEventMask *evmask = NULL;
+     DeviceIntPtr dev;
++    uint32_t length;
+ 
+     REQUEST(xXIGetSelectedEventsReq);
+     REQUEST_SIZE_MATCH(xXIGetSelectedEventsReq);
+@@ -418,10 +419,12 @@ ProcXIGetSelectedEvents(ClientPtr client)
+         }
+     }
+ 
++    /* save the value before SRepXIGetSelectedEvents swaps it */
++    length = reply.length;
+     WriteReplyToClient(client, sizeof(xXIGetSelectedEventsReply), &reply);
+ 
+     if (reply.num_masks)
+-        WriteToClient(client, reply.length * 4, buffer);
++        WriteToClient(client, length * 4, buffer);
+ 
+     free(buffer);
+     return Success;
+-- 
+GitLab
+