File bsc1251959_CVE-2025-62230_0002-xkb-Free-the-XKB-resource-when-freeing-XkbInterest.patch of Package xorg-x11-server
@@ -, +, @@
XkbInterest
| Invalid read of size 8
| at 0x5BC0C0: XkbRemoveResourceClient (xkbEvents.c:1047)
| by 0x5B3391: XkbClientGone (xkb.c:7094)
| by 0x4DF138: doFreeResource (resource.c:890)
| by 0x4DFB50: FreeClientResources (resource.c:1156)
| by 0x4A9A59: CloseDownClient (dispatch.c:3550)
| by 0x5E0A53: ClientReady (connection.c:601)
| by 0x5E4FEF: ospoll_wait (ospoll.c:657)
| by 0x5DC834: WaitForSomething (WaitFor.c:206)
| by 0x4A1BA5: Dispatch (dispatch.c:491)
| by 0x4B0070: dix_main (main.c:277)
| by 0x4285E7: main (stubmain.c:34)
| Address 0x1893e278 is 184 bytes inside a block of size 928 free'd
| at 0x4842E43: free (vg_replace_malloc.c:989)
| by 0x49C1A6: CloseDevice (devices.c:1067)
| by 0x49C522: CloseOneDevice (devices.c:1193)
| by 0x49C6E4: RemoveDevice (devices.c:1244)
| by 0x5873D4: remove_master (xichangehierarchy.c:348)
| by 0x587921: ProcXIChangeHierarchy (xichangehierarchy.c:504)
| by 0x579BF1: ProcIDispatch (extinit.c:390)
| by 0x4A1D85: Dispatch (dispatch.c:551)
| by 0x4B0070: dix_main (main.c:277)
| by 0x4285E7: main (stubmain.c:34)
| Block was alloc'd at
| at 0x48473F3: calloc (vg_replace_malloc.c:1675)
| by 0x49A118: AddInputDevice (devices.c:262)
| by 0x4A0E58: AllocDevicePair (devices.c:2846)
| by 0x5866EE: add_master (xichangehierarchy.c:153)
| by 0x5878C2: ProcXIChangeHierarchy (xichangehierarchy.c:493)
| by 0x579BF1: ProcIDispatch (extinit.c:390)
| by 0x4A1D85: Dispatch (dispatch.c:551)
| by 0x4B0070: dix_main (main.c:277)
| by 0x4285E7: main (stubmain.c:34)
---
xkb/xkbEvents.c | 2 ++
1 file changed, 2 insertions(+)
--- a/xkb/xkbEvents.c
+++ a/xkb/xkbEvents.c
@@ -1055,6 +1055,7 @@ XkbRemoveResourceClient(DevicePtr inDev, XID id)
autoCtrls = interest->autoCtrls;
autoValues = interest->autoCtrlValues;
client = interest->client;
+ FreeResource(interest->resource, RT_XKBCLIENT);
free(interest);
found = TRUE;
}
@@ -1066,6 +1067,7 @@ XkbRemoveResourceClient(DevicePtr inDev, XID id)
autoCtrls = victim->autoCtrls;
autoValues = victim->autoCtrlValues;
client = victim->client;
+ FreeResource(victim->resource, RT_XKBCLIENT);
free(victim);
found = TRUE;
}
--