CVE-2016-5238

Severity: medium (CVSS 4.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-06-14 · updated 2026-06-17
Weakness: CWE-787

Description

The get_cmd function in hw/scsi/esp.c in QEMU might allow local guest OS administrators to cause a denial of service (out-of-bounds write and QEMU process crash) via vectors related to reading from the information transfer buffer in non-DMA mode.

Affected products

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

References

http://www.openwall.com/lists/oss-security/2016/06/02/2
http://www.openwall.com/lists/oss-security/2016/06/02/9
http://www.securityfocus.com/bid/90995
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://bugzilla.redhat.com/show_bug.cgi?id=1341931
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05691.html
https://lists.gnu.org/archive/html/qemu-devel/2016-06/msg00150.html
https://security.gentoo.org/glsa/201609-01
http://www.openwall.com/lists/oss-security/2016/06/02/2
http://www.openwall.com/lists/oss-security/2016/06/02/9

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