CVE-2016-4454

Severity: medium (CVSS 6.0 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: 2016-06-01 · updated 2026-06-17
Weakness: CWE-119

Description

The vmsvga_fifo_read_raw function in hw/display/vmware_vga.c in QEMU allows local guest OS administrators to obtain sensitive host memory information or cause a denial of service (QEMU process crash) by changing FIFO registers and issuing a VGA command, which triggers an out-of-bounds read.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04, 16.04
Debian Linux: 8.0
QEMU: through 2.6.0

References

http://www.openwall.com/lists/oss-security/2016/05/30/3
http://www.securityfocus.com/bid/90927
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2
https://bugzilla.redhat.com/show_bug.cgi?id=1336429
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-05/msg05271.html
https://security.gentoo.org/glsa/201609-01
http://www.openwall.com/lists/oss-security/2016/05/30/3
http://www.securityfocus.com/bid/90927
http://www.ubuntu.com/usn/USN-3047-1
http://www.ubuntu.com/usn/USN-3047-2

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