summary refs log tree commit diff
path: root/gnu/packages/patches/qemu-CVE-2017-8309.patch
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/packages/patches/qemu-CVE-2017-8309.patch')
-rw-r--r--gnu/packages/patches/qemu-CVE-2017-8309.patch46
1 files changed, 46 insertions, 0 deletions
diff --git a/gnu/packages/patches/qemu-CVE-2017-8309.patch b/gnu/packages/patches/qemu-CVE-2017-8309.patch
new file mode 100644
index 0000000000..dc4b4006b7
--- /dev/null
+++ b/gnu/packages/patches/qemu-CVE-2017-8309.patch
@@ -0,0 +1,46 @@
+Fix CVE-2017-8309:
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8309
+
+Patch copied from upstream source repository:
+
+http://git.qemu.org/?p=qemu.git;a=commitdiff;h=3268a845f41253fb55852a8429c32b50f36f349a
+
+From 3268a845f41253fb55852a8429c32b50f36f349a Mon Sep 17 00:00:00 2001
+From: Gerd Hoffmann <kraxel@redhat.com>
+Date: Fri, 28 Apr 2017 09:56:12 +0200
+Subject: [PATCH] audio: release capture buffers
+
+AUD_add_capture() allocates two buffers which are never released.
+Add the missing calls to AUD_del_capture().
+
+Impact: Allows vnc clients to exhaust host memory by repeatedly
+starting and stopping audio capture.
+
+Fixes: CVE-2017-8309
+Cc: P J P <ppandit@redhat.com>
+Cc: Huawei PSIRT <PSIRT@huawei.com>
+Reported-by: "Jiangxin (hunter, SCC)" <jiangxin1@huawei.com>
+Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
+Reviewed-by: Prasad J Pandit <pjp@fedoraproject.org>
+Message-id: 20170428075612.9997-1-kraxel@redhat.com
+---
+ audio/audio.c | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/audio/audio.c b/audio/audio.c
+index c8898d8422..beafed209b 100644
+--- a/audio/audio.c
++++ b/audio/audio.c
+@@ -2028,6 +2028,8 @@ void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque)
+                     sw = sw1;
+                 }
+                 QLIST_REMOVE (cap, entries);
++                g_free (cap->hw.mix_buf);
++                g_free (cap->buf);
+                 g_free (cap);
+             }
+             return;
+-- 
+2.13.0
+