CVE-2016-6835

Qemu: net: vmxnet: buffer overflow in vmxnet_tx_pkt_parse_headers() in vmxnet3 device emulation

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Severity

Moderate

Red Hat Product Security

4.6

CVSS 3.0

Review impact separately from score.

Published · August 9, 2016

Updated · June 28, 2026

Description

The vmxnet_tx_pkt_parse_headers function in hw/net/vmxnet_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (buffer over-read) by leveraging failure to check IP header length.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4.6
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS 2.0 · 3.8
AV:A/AC:M/Au:S/C:N/I:P/A:P

CWE-122 · Heap-based Buffer Overflow