diff options
Diffstat (limited to 'meta/recipes-graphics/xorg-lib/libx11/0001-fix-a-memory-leak-in-XRegisterIMInstantiateCallback.patch')
-rw-r--r-- | meta/recipes-graphics/xorg-lib/libx11/0001-fix-a-memory-leak-in-XRegisterIMInstantiateCallback.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta/recipes-graphics/xorg-lib/libx11/0001-fix-a-memory-leak-in-XRegisterIMInstantiateCallback.patch b/meta/recipes-graphics/xorg-lib/libx11/0001-fix-a-memory-leak-in-XRegisterIMInstantiateCallback.patch new file mode 100644 index 0000000000..722116c07e --- /dev/null +++ b/meta/recipes-graphics/xorg-lib/libx11/0001-fix-a-memory-leak-in-XRegisterIMInstantiateCallback.patch @@ -0,0 +1,57 @@ +CVE: CVE-2022-3554 +Upstream-Status: Backport +Signed-off-by: Ross Burton <ross.burton@arm.com> + +From 1d11822601fd24a396b354fa616b04ed3df8b4ef Mon Sep 17 00:00:00 2001 +From: "Thomas E. Dickey" <dickey@invisible-island.net> +Date: Tue, 4 Oct 2022 18:26:17 -0400 +Subject: [PATCH] fix a memory leak in XRegisterIMInstantiateCallback + +Analysis: + + _XimRegisterIMInstantiateCallback() opens an XIM and closes it using + the internal function pointers, but the internal close function does + not free the pointer to the XIM (this would be done in XCloseIM()). + +Report/patch: + + Date: Mon, 03 Oct 2022 18:47:32 +0800 + From: Po Lu <luangruo@yahoo.com> + To: xorg-devel@lists.x.org + Subject: Re: Yet another leak in Xlib + + For reference, here's how I'm calling XRegisterIMInstantiateCallback: + + XSetLocaleModifiers (""); + XRegisterIMInstantiateCallback (compositor.display, + XrmGetDatabase (compositor.display), + (char *) compositor.resource_name, + (char *) compositor.app_name, + IMInstantiateCallback, NULL); + + and XMODIFIERS is: + + @im=ibus + +Signed-off-by: Thomas E. Dickey <dickey@invisible-island.net> +--- + modules/im/ximcp/imInsClbk.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/modules/im/ximcp/imInsClbk.c b/modules/im/ximcp/imInsClbk.c +index 95b379cb..c10e347f 100644 +--- a/modules/im/ximcp/imInsClbk.c ++++ b/modules/im/ximcp/imInsClbk.c +@@ -212,6 +212,9 @@ _XimRegisterIMInstantiateCallback( + if( xim ) { + lock = True; + xim->methods->close( (XIM)xim ); ++ /* XIMs must be freed manually after being opened; close just ++ does the protocol to deinitialize the IM. */ ++ XFree( xim ); + lock = False; + icb->call = True; + callback( display, client_data, NULL ); +-- +2.34.1 + |