CVE-2015-5158

Name: CVE-2015-5158
Creator: NVD / NIST
Published: 2016-04-12T01:59:20.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2015-5158 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAP_SYS_RAWIO permissions to cause a denial of service (instance crash) via an invalid opcode in a SCSI command descriptor block.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

Stack-based buffer overflow in hw/scsi/scsi-bus.c in QEMU, when built with SCSI-device emulation support, allows guest OS users with CAP_SYS_RAWIO permissions to cause a denial of service (instance crash) via an invalid opcode in a SCSI command descriptor block.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.43%

34.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Qemu	Qemu	>= 2.2.0, < 2.4.0
Qemu	Qemu	2.4.0

References

http://www.securityfocus.com/bid/76016Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1033095Third Party Advisory, VDB Entry
https://lists.nongnu.org/archive/html/qemu-devel/2015-07/msg04558.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201510-02Third Party Advisory
http://www.securityfocus.com/bid/76016Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1033095Third Party Advisory, VDB Entry
https://lists.nongnu.org/archive/html/qemu-devel/2015-07/msg04558.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201510-02Third Party Advisory

Timeline

Published: Apr 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5158?

How severe is CVE-2015-5158?

CVE-2015-5158 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5158?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5158?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST