File bsc1251960_CVE-2025-62231_0001-xkb-Prevent-overflow-in-XkbSetCompatMap.patch of Package xorg-x11-server

@@ -, +, @@ 
---
 xkb/xkb.c | 2 ++
 1 file changed, 2 insertions(+)
--- a/xkb/xkb.c	
+++ a/xkb/xkb.c	
@@ -2990,6 +2990,8 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr dev,
         XkbSymInterpretPtr sym;
         unsigned int skipped = 0;
 
+        if ((unsigned) (req->firstSI + req->nSI) > USHRT_MAX)
+            return BadValue;
         if ((unsigned) (req->firstSI + req->nSI) > compat->size_si) {
             compat->num_si = compat->size_si = req->firstSI + req->nSI;
             compat->sym_interpret = reallocarray(compat->sym_interpret,
--