diff --git a/0001-xf86-fix-flush-input-to-work-with-Linux-evdev-device.patch b/0001-xf86-fix-flush-input-to-work-with-Linux-evdev-device.patch new file mode 100644 index 0000000..8d37032 --- /dev/null +++ b/0001-xf86-fix-flush-input-to-work-with-Linux-evdev-device.patch @@ -0,0 +1,38 @@ +From 8647ee8f422e1ea9212d84ae14ef2163793bcdc8 Mon Sep 17 00:00:00 2001 +From: Dave Airlie +Date: Wed, 10 Apr 2013 16:09:01 +1000 +Subject: [PATCH] xf86: fix flush input to work with Linux evdev devices. + +So when we VT switch back and attempt to flush the input devices, +we don't succeed because evdev won't return part of an event, +since we were only asking for 4 bytes, we'd only get -EINVAL back. + +This could later cause events to be flushed that we shouldn't have +gotten. + +This is a fix for CVE-2013-1940. + +Signed-off-by: Dave Airlie +Reviewed-by: Peter Hutterer +Signed-off-by: Peter Hutterer +--- + hw/xfree86/os-support/shared/posix_tty.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/hw/xfree86/os-support/shared/posix_tty.c b/hw/xfree86/os-support/shared/posix_tty.c +index ab3757a..4d08c1e 100644 +--- a/hw/xfree86/os-support/shared/posix_tty.c ++++ b/hw/xfree86/os-support/shared/posix_tty.c +@@ -421,7 +421,8 @@ xf86FlushInput(int fd) + { + fd_set fds; + struct timeval timeout; +- char c[4]; ++ /* this needs to be big enough to flush an evdev event. */ ++ char c[256]; + + DebugF("FlushingSerial\n"); + if (tcflush(fd, TCIFLUSH) == 0) +-- +1.8.1.4 + diff --git a/xorg-x11-server.spec b/xorg-x11-server.spec index 7b822af..fbf1d68 100644 --- a/xorg-x11-server.spec +++ b/xorg-x11-server.spec @@ -48,7 +48,7 @@ Summary: X.Org X11 X server Name: xorg-x11-server Version: 1.12.4 -Release: 6%{?gitdate:.%{gitdate}}%{dist} +Release: 7%{?gitdate:.%{gitdate}}%{dist} URL: http://www.x.org License: MIT Group: User Interface/X @@ -123,6 +123,12 @@ Patch7023: 0001-mieq-Bump-default-queue-size-to-512.patch # Possibly Bug 862829 - [abrt] xorg-x11-server-Xorg-1.12.3-2.fc17: Xorg server Patch7024: 0001-Sync-TouchListener-memory-allocation-with-population.patch +# Bug 950438 - CVE-2013-1940 xorg-x11-server: +# Information disclosure due enabling events from hot-plug devices despite +# input from the device being momentarily disabled +Patch7025: 0001-xf86-fix-flush-input-to-work-with-Linux-evdev-device.patch + + %define moduledir %{_libdir}/xorg/modules %define drimoduledir %{_libdir}/dri %define sdkdir %{_includedir}/xorg @@ -591,6 +597,10 @@ rm -rf $RPM_BUILD_ROOT %{xserver_source_dir} %changelog +* Thu Apr 11 2013 Peter Hutterer 1.12.4-7 +- CVE-2013-1940: Fix xf86FlushInput() to drain evdev events + (#950438, #952949) + * Thu Feb 14 2013 Peter Hutterer 1.12.4-6 - Fix scrolling for Evoluent Vertical Mouse 3 (#612140#c20)