CVE-2017-6058

Qemu: net: vmxnet3: OOB NetRxPkt::ehdr_buf access when doing vlan stripping

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Severity

Moderate

Red Hat Product Security

5.4

CVSS 3.0

Review impact separately from score.

Published · February 16, 2017

Updated · May 13, 2026

Description

Buffer overflow in NetRxPkt::ehdr_buf in hw/net/net_rx_pkt.c in QEMU (aka Quick Emulator), when the VLANSTRIP feature is enabled on the vmxnet3 device, allows remote attackers to cause a denial of service (out-of-bounds access and QEMU process crash) via vectors related to VLAN stripping.

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 · 5.4
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:L

CVSS 2.0 · 4
AV:N/AC:H/Au:N/C:N/I:P/A:P

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')