Auto sync2gitlab import of xorg-x11-server-Xwayland-21.1.3-10.el8.src.rpm
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From 8660dd164882ce5fc1f274427e2ff3dc020d6273 Mon Sep 17 00:00:00 2001
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From: Peter Hutterer <peter.hutterer@who-t.net>
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Date: Wed, 25 Jan 2023 11:41:40 +1000
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Subject: [PATCH xserver] Xi: fix potential use-after-free in
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DeepCopyPointerClasses
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CVE-2023-0494, ZDI-CAN-19596
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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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(cherry picked from commit 0ba6d8c37071131a49790243cdac55392ecf71ec)
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---
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Xi/exevents.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/Xi/exevents.c b/Xi/exevents.c
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index 217baa956..dcd4efb3b 100644
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--- a/Xi/exevents.c
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+++ b/Xi/exevents.c
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@@ -619,8 +619,10 @@ DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to)
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memcpy(to->button->xkb_acts, from->button->xkb_acts,
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sizeof(XkbAction));
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}
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- else
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+ else {
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free(to->button->xkb_acts);
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+ to->button->xkb_acts = NULL;
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+ }
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memcpy(to->button->labels, from->button->labels,
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from->button->numButtons * sizeof(Atom));
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--
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2.39.1
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@ -9,7 +9,7 @@
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Summary: Xwayland
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Summary: Xwayland
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Name: xorg-x11-server-Xwayland
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Name: xorg-x11-server-Xwayland
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Version: 21.1.3
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Version: 21.1.3
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Release: 9%{?gitdate:.%{gitdate}git%{shortcommit}}%{?dist}
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Release: 10%{?gitdate:.%{gitdate}git%{shortcommit}}%{?dist}
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URL: http://www.x.org
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URL: http://www.x.org
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%if 0%{?gitdate}
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%if 0%{?gitdate}
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@ -55,6 +55,8 @@ Patch10023: 0006-Xext-free-the-XvRTVideoNotify-when-turning-off-from-.patch
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Patch10024: 0007-xkb-reset-the-radio_groups-pointer-to-NULL-after-fre.patch
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Patch10024: 0007-xkb-reset-the-radio_groups-pointer-to-NULL-after-fre.patch
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# Follow-up to CVE-2022-46340
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# Follow-up to CVE-2022-46340
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Patch10025: 0008-Xext-fix-invalid-event-type-mask-in-XTestSwapFakeInp.patch
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Patch10025: 0008-Xext-fix-invalid-event-type-mask-in-XTestSwapFakeInp.patch
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# CVE-2023-0494
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Patch10026: 0001-Xi-fix-potential-use-after-free-in-DeepCopyPointerCl.patch
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License: MIT
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License: MIT
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@ -162,6 +164,9 @@ rm -Rf $RPM_BUILD_ROOT%{_localstatedir}/lib/xkb
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%{_libdir}/pkgconfig/xwayland.pc
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%{_libdir}/pkgconfig/xwayland.pc
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%changelog
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%changelog
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* Tue Feb 7 2023 Olivier Fourdan <ofourdan@redhat.com> - 21.1.3-10
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- Fix CVE-2023-0494 (#2166972)
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* Mon Dec 19 2022 Peter Hutterer <peter.hutterer@redhat.com> - 21.1.3-9
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* Mon Dec 19 2022 Peter Hutterer <peter.hutterer@redhat.com> - 21.1.3-9
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- Follow-up fix for CVE-2022-46340 (#2151777)
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- Follow-up fix for CVE-2022-46340 (#2151777)
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