CVE-2017-5931

Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator) allows local guest OS...

8.8 HighFix available

Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (QEMU process crash) or possibly execute arbitrary code on the host via a crafted virtio-crypto request, which triggers a heap-based buffer overflow.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.53%Down 2.6 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2017-5931
CVSS 3.1: 8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0: 7.2 HighAV:L/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-190
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-5931
Updated: 2026-11-02

EUVDEUVD-2017-15005 No score

Record: EUVD-2017-15005
Updated: 2026-11-03

GitHub AdvisoriesGHSA-4w9r-63g7-xmfj 8.8

Integer overflow in hw/virtio/virtio-crypto.c in QEMU (aka Quick Emulator) allows local guest OS...

Record: GHSA-4w9r-63g7-xmfj
CVSS 3.1: 8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-190
Updated: 2026-11-02

OSVALPINE-CVE-2017-5931 8.8

Record: ALPINE-CVE-2017-5931
CVSS 3.1: 8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVBELL-CVE-2017-5931 8.8

CVE-2017-5931 does not affect BellSoft software

Record: BELL-CVE-2017-5931
CVSS 3.1: 8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSV 8.8

Record: CVE-2017-5931
CVSS 3.1: 8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-5931 8.8

Record: DEBIAN-CVE-2017-5931
CVSS 3.1: 8.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

qemu

Affected packages

Affected packages
Package	Affected	Fixed
`qemu` Alpine:v3.10	before 2.8.1-r1	2.8.1-r1
`qemu` Alpine:v3.5	before 2.8.1.1-r0	2.8.1.1-r0
`qemu` Alpine:v3.6	before 2.8.1-r1	2.8.1-r1
`qemu` Alpine:v3.7	before 2.8.1-r1	2.8.1-r1
`qemu` Alpine:v3.8	before 2.8.1-r1	2.8.1-r1
`qemu` Alpine:v3.9	before 2.8.1-r1	2.8.1-r1
`qemu` Debian:12	before 1:2.8+dfsg-3	1:2.8+dfsg-3
`qemu` Debian:13	before 1:2.8+dfsg-3	1:2.8+dfsg-3
`qemu` Debian:14	before 1:2.8+dfsg-3	1:2.8+dfsg-3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-5931 is a high vulnerability (CVSS 8.8) in Qemu, published March 27, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. Fixed in qemu 2.8.1-r1.

References

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