diff options
Diffstat (limited to 'meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14347.patch')
-rw-r--r-- | meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14347.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14347.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14347.patch new file mode 100644 index 0000000000..20a604869b --- /dev/null +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2020-14347.patch | |||
@@ -0,0 +1,37 @@ | |||
1 | From aac28e162e5108510065ad4c323affd6deffd816 Mon Sep 17 00:00:00 2001 | ||
2 | From: Matthieu Herrb <matthieu@herrb.eu> | ||
3 | Date: Sat, 25 Jul 2020 19:33:50 +0200 | ||
4 | Subject: [PATCH] fix for ZDI-11426 | ||
5 | |||
6 | Avoid leaking un-initalized memory to clients by zeroing the | ||
7 | whole pixmap on initial allocation. | ||
8 | |||
9 | This vulnerability was discovered by: | ||
10 | Jan-Niklas Sohn working with Trend Micro Zero Day Initiative | ||
11 | |||
12 | Signed-off-by: Matthieu Herrb <matthieu@herrb.eu> | ||
13 | Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> | ||
14 | |||
15 | Upstream-Status: Backport | ||
16 | CVE: CVE-2020-14347 | ||
17 | Signed-off-by: Li Zhou <li.zhou@windriver.com> | ||
18 | --- | ||
19 | dix/pixmap.c | 2 +- | ||
20 | 1 file changed, 1 insertion(+), 1 deletion(-) | ||
21 | |||
22 | diff --git a/dix/pixmap.c b/dix/pixmap.c | ||
23 | index 1186d7dbb..5a0146bbb 100644 | ||
24 | --- a/dix/pixmap.c | ||
25 | +++ b/dix/pixmap.c | ||
26 | @@ -116,7 +116,7 @@ AllocatePixmap(ScreenPtr pScreen, int pixDataSize) | ||
27 | if (pScreen->totalPixmapSize > ((size_t) - 1) - pixDataSize) | ||
28 | return NullPixmap; | ||
29 | |||
30 | - pPixmap = malloc(pScreen->totalPixmapSize + pixDataSize); | ||
31 | + pPixmap = calloc(1, pScreen->totalPixmapSize + pixDataSize); | ||
32 | if (!pPixmap) | ||
33 | return NullPixmap; | ||
34 | |||
35 | -- | ||
36 | 2.17.1 | ||
37 | |||