forked from pool/xorg-x11-server
Stefan Dirsch
37722e6dc6
* XkbGetKbdByName use-after-free (ZDI-CAN-19530, CVE-2022-4283,
bsc#1206017)
- U_0001-Xtest-disallow-GenericEvents-in-XTestSwapFakeInput.patch
* Server XTestSwapFakeInput stack overflow (ZDI-CAN 19265,
CVE-2022-46340, bsc#1205874)
- U_0002-Xi-return-an-error-from-XI-property-changes-if-verif.patch
* Xi: return an error from XI property changes if verification
failed (no ZDI-CAN id, no CVE id, bsc#1205875)
- U_0003-Xi-avoid-integer-truncation-in-length-check-of-ProcX.patch
* Server XIChangeProperty out-of-bounds access (ZDI-CAN 19405,
CVE-2022-46344, bsc#1205876)
- U_0004-Xi-disallow-passive-grabs-with-a-detail-255.patch
* Server XIPassiveUngrabDevice out-of-bounds access (ZDI-CAN 19381,
CVE-2022-46341, bsc#1205877)
- U_0005-Xext-free-the-screen-saver-resource-when-replacing-i.patch
* Server ScreenSaverSetAttributes use-after-free (ZDI-CAN 19404,
CVE-2022-46343, bsc#1205878)
- U_0006-Xext-free-the-XvRTVideoNotify-when-turning-off-from-.patch
* Server XvdiSelectVideoNotify use-after-free (ZDI-CAN 19400,
CVE-2022-46342, bsc#1205879)
OBS-URL: https://build.opensuse.org/package/show/X11:XOrg/xorg-x11-server?expand=0&rev=843
36 lines
1020 B
Diff
36 lines
1020 B
Diff
From 79916ec4eed724b481d24d97686d3ed05a939859 Mon Sep 17 00:00:00 2001
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From: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Mon, 5 Dec 2022 15:55:54 +1000
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Subject: [PATCH xserver] xkb: reset the radio_groups pointer to NULL after
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freeing it
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Unlike other elements of the keymap, this pointer was freed but not
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reset. On a subsequent XkbGetKbdByName request, the server may access
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already freed memory.
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ZDI-CAN-19530
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This vulnerability was discovered by:
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Jan-Niklas Sohn working with Trend Micro Zero Day Initiative
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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---
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xkb/xkbUtils.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/xkb/xkbUtils.c b/xkb/xkbUtils.c
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index dd089c2046..3f5791a183 100644
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--- a/xkb/xkbUtils.c
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+++ b/xkb/xkbUtils.c
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@@ -1326,6 +1326,7 @@ _XkbCopyNames(XkbDescPtr src, XkbDescPtr dst)
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}
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else {
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free(dst->names->radio_groups);
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+ dst->names->radio_groups = NULL;
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}
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dst->names->num_rg = src->names->num_rg;
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--
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2.38.1
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