CVE-2016-5338

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-14 · updated 2026-06-17

Description

The (1) esp_reg_read and (2) esp_reg_write functions in hw/scsi/esp.c in QEMU allow local guest OS administrators to cause a denial of service (QEMU process crash) or execute arbitrary code on the QEMU host via vectors related to the information transfer buffer.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 16.04
Debian Linux: 8.0
QEMU: through 2.6.2

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff589551c8e8e9e95e211b9d8daafb4ed39f1aec
http://www.openwall.com/lists/oss-security/2016/06/07/3
http://www.openwall.com/lists/oss-security/2016/06/08/14
http://www.securityfocus.com/bid/91079
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg01507.html
https://security.gentoo.org/glsa/201609-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff589551c8e8e9e95e211b9d8daafb4ed39f1aec
http://www.openwall.com/lists/oss-security/2016/06/07/3
http://www.openwall.com/lists/oss-security/2016/06/08/14

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