39134eb9d2
on invalid state load CVE-2013-4539-qemut-tsc210x-fix-buffer-overrun-on-invalid-state-load.patch - bsc#962632 - VUL-0: CVE-2015-1779: xen: vnc: insufficient resource limiting in VNC websockets decoder CVE-2015-1779-qemuu-limit-size-of-HTTP-headers-from-websockets-clients.patch CVE-2015-1779-qemuu-incrementally-decode-websocket-frames.patch - bsc#962642 - VUL-0: CVE-2013-4537: xen: ssi-sd: buffer overrun on invalid state load CVE-2013-4537-qemut-ssi-sd-fix-buffer-overrun-on-invalid-state-load.patch - bsc#962627 - VUL-0: CVE-2014-7815: xen: vnc: insufficient bits_per_pixel from the client sanitization CVE-2014-7815-qemut-vnc-sanitize-bits_per_pixel-from-the-client.patch - bsc#962335 - VUL-0: CVE-2013-4538: xen: ssd0323: fix buffer overun on invalid state CVE-2013-4538-qemut-ssd0323-fix-buffer-overun-on-invalid-state.patch - bsc#962360 - VUL-0: CVE-2015-7512: xen: net: pcnet: buffer overflow in non-loopback mode CVE-2015-7512-qemuu-net-pcnet-buffer-overflow-in-non-loopback-mode.patch CVE-2015-7512-qemut-net-pcnet-buffer-overflow-in-non-loopback-mode.patch - bsc#961692 - VUL-0: CVE-2016-1714: xen: nvram: OOB r/w access in processing firmware configurations CVE-2016-1714-qemuu-fw_cfg-add-check-to-validate-current-entry-value.patch CVE-2016-1714-qemut-fw_cfg-add-check-to-validate-current-entry-value.patch - bsc#961358 - VUL-0: CVE-2015-8613: xen: qemu: scsi: stack based buffer overflow in megasas_ctrl_get_info OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=395
31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
References: bsc#962360 CVE-2015-7512
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Backends could provide a packet whose length is greater than buffer
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size. Check for this and truncate the packet to avoid rx buffer
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overflow in this case.
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Cc: Prasad J Pandit <address@hidden>
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Cc: address@hidden
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Signed-off-by: Jason Wang <address@hidden>
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---
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hw/net/pcnet.c | 6 ++++++
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1 file changed, 6 insertions(+)
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Index: xen-4.6.0-testing/tools/qemu-xen-traditional-dir-remote/hw/pcnet.c
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===================================================================
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--- xen-4.6.0-testing.orig/tools/qemu-xen-traditional-dir-remote/hw/pcnet.c
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+++ xen-4.6.0-testing/tools/qemu-xen-traditional-dir-remote/hw/pcnet.c
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@@ -1133,6 +1133,12 @@ static void pcnet_receive(void *opaque,
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int pktcount = 0;
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if (!s->looptest) {
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+ if (size > 4092) {
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+#ifdef PCNET_DEBUG_RMD
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+ fprintf(stderr, "pcnet: truncates rx packet.\n");
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+#endif
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+ size = 4092;
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+ }
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memcpy(src, buf, size);
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/* no need to compute the CRC */
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src[size] = 0;
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