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author | Patrick J Volkerding <volkerdi@slackware.com> | 2021-12-15 04:34:02 +0000 |
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committer | Eric Hameleers <alien@slackware.com> | 2021-12-15 08:59:46 +0100 |
commit | dd0455444d191783d5e025a25efa293a0f6272bb (patch) | |
tree | fd858afc4202f46366ac48a4879197faf79df299 /source/x/x11/patch/xorg-server/xorg-server.CVE-2021-4008.ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60.patch | |
parent | b88e2bb09498e9b75508b99af4e497cdf3dd4416 (diff) | |
download | current-dd0455444d191783d5e025a25efa293a0f6272bb.tar.gz current-dd0455444d191783d5e025a25efa293a0f6272bb.tar.xz |
Wed Dec 15 04:34:02 UTC 202120211215043402
a/dialog-1.3_20211214-x86_64-1.txz: Upgraded.
a/kernel-generic-5.15.8-x86_64-1.txz: Upgraded.
a/kernel-huge-5.15.8-x86_64-1.txz: Upgraded.
a/kernel-modules-5.15.8-x86_64-1.txz: Upgraded.
a/sysvinit-3.01-x86_64-1.txz: Upgraded.
d/kernel-headers-5.15.8-x86-1.txz: Upgraded.
d/patchelf-0.14.3-x86_64-1.txz: Upgraded.
k/kernel-source-5.15.8-noarch-1.txz: Upgraded.
l/oniguruma-6.9.7.1-x86_64-1.txz: Upgraded.
l/pipewire-0.3.41-x86_64-1.txz: Upgraded.
x/libinput-1.19.3-x86_64-1.txz: Upgraded.
x/xorg-server-1.20.13-x86_64-2.txz: Rebuilt.
Fixes for multiple input validation failures in X server extensions:
render: Fix out of bounds access in SProcRenderCompositeGlyphs()
xfixes: Fix out of bounds access in *ProcXFixesCreatePointerBarrier()
Xext: Fix out of bounds access in SProcScreenSaverSuspend()
record: Fix out of bounds access in SwapCreateRegister()
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4008
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4009
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4010
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4011
(* Security fix *)
x/xorg-server-xephyr-1.20.13-x86_64-2.txz: Rebuilt.
x/xorg-server-xnest-1.20.13-x86_64-2.txz: Rebuilt.
x/xorg-server-xvfb-1.20.13-x86_64-2.txz: Rebuilt.
x/xorg-server-xwayland-21.1.4-x86_64-1.txz: Upgraded.
Fixes for multiple input validation failures in X server extensions:
render: Fix out of bounds access in SProcRenderCompositeGlyphs()
xfixes: Fix out of bounds access in *ProcXFixesCreatePointerBarrier()
Xext: Fix out of bounds access in SProcScreenSaverSuspend()
record: Fix out of bounds access in SwapCreateRegister()
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4008
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4009
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4010
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-4011
(* Security fix *)
xap/xsnow-3.4.1-x86_64-1.txz: Upgraded.
isolinux/initrd.img: Rebuilt.
kernels/*: Upgraded.
usb-and-pxe-installers/usbboot.img: Rebuilt.
Diffstat (limited to 'source/x/x11/patch/xorg-server/xorg-server.CVE-2021-4008.ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60.patch')
-rw-r--r-- | source/x/x11/patch/xorg-server/xorg-server.CVE-2021-4008.ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/source/x/x11/patch/xorg-server/xorg-server.CVE-2021-4008.ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60.patch b/source/x/x11/patch/xorg-server/xorg-server.CVE-2021-4008.ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60.patch new file mode 100644 index 000000000..e13edff70 --- /dev/null +++ b/source/x/x11/patch/xorg-server/xorg-server.CVE-2021-4008.ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60.patch @@ -0,0 +1,52 @@ +From ebce7e2d80e7c80e1dda60f2f0bc886f1106ba60 Mon Sep 17 00:00:00 2001 +From: Povilas Kanapickas <povilas@radix.lt> +Date: Tue, 14 Dec 2021 15:00:03 +0200 +Subject: [PATCH] render: Fix out of bounds access in + SProcRenderCompositeGlyphs() + +ZDI-CAN-14192, CVE-2021-4008 + +This vulnerability was discovered and the fix was suggested by: +Jan-Niklas Sohn working with Trend Micro Zero Day Initiative + +Signed-off-by: Povilas Kanapickas <povilas@radix.lt> +--- + render/render.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/render/render.c b/render/render.c +index c376090ca..456f156d4 100644 +--- a/render/render.c ++++ b/render/render.c +@@ -2309,6 +2309,9 @@ SProcRenderCompositeGlyphs(ClientPtr client) + + i = elt->len; + if (i == 0xff) { ++ if (buffer + 4 > end) { ++ return BadLength; ++ } + swapl((int *) buffer); + buffer += 4; + } +@@ -2319,12 +2322,18 @@ SProcRenderCompositeGlyphs(ClientPtr client) + buffer += i; + break; + case 2: ++ if (buffer + i * 2 > end) { ++ return BadLength; ++ } + while (i--) { + swaps((short *) buffer); + buffer += 2; + } + break; + case 4: ++ if (buffer + i * 4 > end) { ++ return BadLength; ++ } + while (i--) { + swapl((int *) buffer); + buffer += 4; +-- +GitLab + |