3847094b7e
Update to v2.6.0, including enabling a few more recent features. Also include a number of recent security fixes. OBS-URL: https://build.opensuse.org/request/show/398983 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=294
34 lines
1.1 KiB
Diff
34 lines
1.1 KiB
Diff
From 53260b0f3e1426185786f5fe45f99ca1ded84062 Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Thu, 7 Apr 2016 04:27:00 -0600
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Subject: [PATCH] net: mipsnet: check packet length against buffer
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When receiving packets over MIPSnet network device, it uses
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receive buffer of size 1514 bytes. In case the controller
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accepts large(MTU) packets, it could lead to memory corruption.
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Add check to avoid it.
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Reported by: Oleksandr Bazhaniuk <oleksandr.bazhaniuk@intel.com>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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[BR: BSC#975136 CVE-2016-4002]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/net/mipsnet.c | 3 +++
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1 file changed, 3 insertions(+)
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diff --git a/hw/net/mipsnet.c b/hw/net/mipsnet.c
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index 740cd98..cf8b823 100644
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--- a/hw/net/mipsnet.c
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+++ b/hw/net/mipsnet.c
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@@ -83,6 +83,9 @@ static ssize_t mipsnet_receive(NetClientState *nc, const uint8_t *buf, size_t si
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if (!mipsnet_can_receive(nc))
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return 0;
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+ if (size >= sizeof(s->rx_buffer)) {
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+ return 0;
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+ }
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s->busy = 1;
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/* Just accept everything. */
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