CVE-2017-7718

Publication date 20 April 2017

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

hw/display/cirrus_vga_rop.h in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) via vectors related to copying VGA data via the cirrus_bitblt_rop_fwd_transp_ and cirrus_bitblt_rop_fwd_ functions.

Status

Package Ubuntu Release Status
qemu-kvm 21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
19.04 disco Not in release
18.10 cosmic Not in release
18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored end of life
qemu 21.04 hirsute
Fixed 1:2.8+dfsg-3ubuntu3
20.10 groovy
Fixed 1:2.8+dfsg-3ubuntu3
20.04 LTS focal
Fixed 1:2.8+dfsg-3ubuntu3
19.10 eoan
Fixed 1:2.8+dfsg-3ubuntu3
19.04 disco
Fixed 1:2.8+dfsg-3ubuntu3
18.10 cosmic
Fixed 1:2.8+dfsg-3ubuntu3
18.04 LTS bionic
Fixed 1:2.8+dfsg-3ubuntu3
17.10 artful
Fixed 1:2.8+dfsg-3ubuntu3
17.04 zesty
Fixed 1:2.8+dfsg-3ubuntu2.2
16.10 yakkety
Fixed 1:2.6.1+dfsg-0ubuntu5.5
16.04 LTS xenial
Fixed 1:2.5+dfsg-5ubuntu10.14
14.04 LTS trusty
Fixed 2.0.0+dfsg-2ubuntu1.34
12.04 LTS precise Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
qemu

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references