CVE-2017-6058

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-20 · updated 2026-06-17
Weakness: CWE-120

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.

Affected products

QEMU: through 2.8.1.1

References

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=df8bf7a7fe75eb5d5caffa55f5cd4292b757aea6
http://www.openwall.com/lists/oss-security/2017/02/17/2
http://www.securityfocus.com/bid/96277
http://www.securitytracker.com/id/1037856
https://bugzilla.redhat.com/show_bug.cgi?id=1423358
https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg03527.html
https://security.gentoo.org/glsa/201704-01
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=df8bf7a7fe75eb5d5caffa55f5cd4292b757aea6
http://www.openwall.com/lists/oss-security/2017/02/17/2
http://www.securityfocus.com/bid/96277
http://www.securitytracker.com/id/1037856
https://bugzilla.redhat.com/show_bug.cgi?id=1423358

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