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| author | Mathieu Othacehe <othacehe@gnu.org> | 2020-08-26 18:35:14 +0200 |
|---|---|---|
| committer | Mathieu Othacehe <othacehe@gnu.org> | 2020-08-26 18:35:14 +0200 |
| commit | 17dddeeee560527a8f30d37761949d658056cb09 (patch) | |
| tree | 15b0b19c55787f556eb9b42c28d173bddc5435db /gnu/packages/patches/xorg-server-CVE-2020-14347.patch | |
| parent | 331a09654eb7e9f6212b7e8469077fa7393e8b11 (diff) | |
| parent | 6a9581741e4ee81226aeb2f1c997df76670a6aab (diff) | |
| download | guix-17dddeeee560527a8f30d37761949d658056cb09.tar.gz guix-17dddeeee560527a8f30d37761949d658056cb09.zip | |
Merge remote-tracking branch 'origin/master' into core-updates
Diffstat (limited to 'gnu/packages/patches/xorg-server-CVE-2020-14347.patch')
| -rw-r--r-- | gnu/packages/patches/xorg-server-CVE-2020-14347.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gnu/packages/patches/xorg-server-CVE-2020-14347.patch b/gnu/packages/patches/xorg-server-CVE-2020-14347.patch new file mode 100644 index 0000000000..c54b93d764 --- /dev/null +++ b/gnu/packages/patches/xorg-server-CVE-2020-14347.patch @@ -0,0 +1,33 @@ +From aac28e162e5108510065ad4c323affd6deffd816 Mon Sep 17 00:00:00 2001 +From: Matthieu Herrb <matthieu@herrb.eu> +Date: Sat, 25 Jul 2020 19:33:23 +0200 +Subject: [PATCH] fix for ZDI-11426 + +Avoid leaking un-initalized memory to clients by zeroing the +whole pixmap on initial allocation. + +This vulnerability was discovered by: +Jan-Niklas Sohn working with Trend Micro Zero Day Initiative + +Signed-off-by: Matthieu Herrb <matthieu@herrb.eu> +Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com> +--- + dix/pixmap.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/dix/pixmap.c b/dix/pixmap.c +index 1186d7dbb..5a0146bbb 100644 +--- a/dix/pixmap.c ++++ b/dix/pixmap.c +@@ -116,7 +116,7 @@ AllocatePixmap(ScreenPtr pScreen, int pixDataSize) + if (pScreen->totalPixmapSize > ((size_t) - 1) - pixDataSize) + return NullPixmap; + +- pPixmap = malloc(pScreen->totalPixmapSize + pixDataSize); ++ pPixmap = calloc(1, pScreen->totalPixmapSize + pixDataSize); + if (!pPixmap) + return NullPixmap; + +-- +2.27.0 + |