9
CVSSv2

CVE-2017-2620

Published: 27/07/2018 Updated: 07/11/2023
CVSS v2 Base Score: 9 | Impact Score: 10 | Exploitability Score: 8
CVSS v3 Base Score: 9.9 | Impact Score: 6 | Exploitability Score: 3.1
VMScore: 801
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Vulnerability Summary

Quick emulator (QEMU) prior to 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

qemu qemu

redhat enterprise linux desktop 7.0

citrix xenserver 7.0

redhat enterprise linux workstation 7.0

citrix xenserver 7.1

redhat openstack 5.0

redhat enterprise linux server 7.0

redhat openstack 7.0

citrix xenserver 6.0.2

debian debian linux 7.0

citrix xenserver 6.5

redhat enterprise linux desktop 6.0

redhat enterprise linux server 6.0

citrix xenserver 6.2.0

redhat enterprise linux workstation 6.0

redhat openstack 6.0

redhat enterprise linux server aus 7.3

redhat enterprise linux server aus 7.4

redhat enterprise linux server eus 7.3

redhat enterprise linux server eus 7.4

redhat enterprise linux server eus 7.5

xen xen

xen xen 4.7.1

redhat openstack 10

redhat openstack 9

redhat openstack 8

Vendor Advisories

Several security issues were fixed in QEMU ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 50 (Icehouse) for RHEL 7Red Hat Product Security has rated this update as having a security impact of Important A ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 60 (Juno) for RHEL 7Red Hat Product Security has rated this update as having a security impact of Important A Com ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 70 (Kilo) for RHEL 7Red Hat Product Security has rated this update as having a security impact of Important A Com ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 80 (Liberty)Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 90 (Mitaka)Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring ...
Synopsis Important: qemu-kvm-rhev security and bug fix update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for RHEV 3X Hypervisor and Agents for RHEL-7 and RHEV 4X RHEV-H and Agents for RHEL-7Red Hat Product Security has rated this update as having a secur ...
Synopsis Important: qemu-kvm security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) base scor ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for RHEV 3X Hypervisor and Agents for RHEL-6Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scorin ...
Synopsis Important: kvm security update Type/Severity Security Advisory: Important Topic An update for kvm is now available for Red Hat Enterprise Linux 5Red Hat Product Security has rated this update as having a security impact ofImportant A Common Vulnerability Scoring System (CVSS) base score, which gi ...
Synopsis Important: qemu-kvm security and bug fix update Type/Severity Security Advisory: Important Topic An update for qemu-kvm is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVS ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat OpenStack Platform 100 (Newton)Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring ...
Synopsis Important: qemu-kvm-rhev security update Type/Severity Security Advisory: Important Topic An update for qemu-kvm-rhev is now available for Red Hat Enterprise Linux OpenStack Platform 50 (Icehouse) for RHEL 6Red Hat Product Security has rated this update as having a security impact of Important A ...
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue The issue could occur while copying VGA data in cirrus_bitblt_cputovideo A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU pr ...
Debian Bug report logs - #856969 qemu: CVE-2017-6505: infinite loop issue in ohci_service_ed_list Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 6 Mar 2017 18:51:01 UTC Severity: normal Tags: pa ...
Debian Bug report logs - #859854 qemu: CVE-2017-7377 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 7 Apr 2017 19:48:02 UTC Severity: important Tags: fixed-upstream, patch, security, upstream F ...
Debian Bug report logs - #857744 qemu: CVE-2016-9603: cirrus: heap buffer overflow via vnc connection Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 14 Mar 2017 16:15:01 UTC Severity: grave Tags: ...
Debian Bug report logs - #855616 qemu: CVE-2017-6058: net: vmxnet3: OOB NetRxPkt::ehdr_buf access when doing vlan stripping Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 20 Feb 2017 19:51:01 UTC ...
Debian Bug report logs - #854731 qemu: CVE-2017-2615 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Thu, 9 Feb 2017 22:45:02 UTC Severity: important Tags: fixed-upstream, security, upstream Found in vers ...
Debian Bug report logs - #854730 CVE-2017-5931 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Thu, 9 Feb 2017 22:42:04 UTC Severity: important Tags: security Fixed in version qemu/1:28+dfsg-3 Done: Mic ...
Debian Bug report logs - #855227 qemu: CVE-2017-2630: nbd: oob stack write in client routine drop_sync Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Wed, 15 Feb 2017 18:21:01 UTC Severity: grave Tags ...
Debian Bug report logs - #840950 qemu: CVE-2016-8667: dma: rc4030 divide by zero error in set_next_tick Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sun, 16 Oct 2016 12:21:02 UTC Severity: normal Ta ...
Debian Bug report logs - #855159 qemu: CVE-2017-5987: sd: infinite loop issue in multi block transfers Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 14 Feb 2017 19:45:02 UTC Severity: important ...
Debian Bug report logs - #854729 CVE-2017-5898 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Thu, 9 Feb 2017 22:42:01 UTC Severity: important Tags: security Fixed in version qemu/1:28+dfsg-3 Done: Mic ...
Debian Bug report logs - #839986 qemu: CVE-2016-7907: net: inifinte loop in imx_fec_do_tx() function Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 7 Oct 2016 06:45:01 UTC Severity: normal Tags: ...
Debian Bug report logs - #855791 qemu: CVE-2017-2620: cirrus_bitblt_cputovideo does not check if memory region is safe Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Tue, 21 Feb 2017 16:06:01 UTC Seve ...
Debian Bug report logs - #853996 CVE-2017-5667 / CVE-2017-5856 / CVE-2017-5857 Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Thu, 2 Feb 2017 22:06:02 UTC Severity: important Tags: security Fixed in vers ...
Debian Bug report logs - #853002 qemu: CVE-2017-5579: serial: host memory leakage 16550A UART emulation Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 28 Jan 2017 20:51:04 UTC Severity: normal Ta ...
Debian Bug report logs - #855611 qemu: CVE-2017-5973: usb: infinite loop while doing control transfer in xhci_kick_epctx Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Mon, 20 Feb 2017 19:21:04 UTC Se ...
Debian Bug report logs - #853006 qemu: CVE-2016-9602: 9p: virtfs allows guest to access host filesystem Package: src:qemu; Maintainer for src:qemu is Debian QEMU Team <pkg-qemu-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 28 Jan 2017 21:18:01 UTC Severity: grave Tag ...
Description of Problem Two security issues have been identified within Citrix XenServer These issues could, if exploited, allow the administrator of an HVM guest VM to compromise the host The following vulnerabilities have been addressed: CVE-2017-2615 (High): QEMU: oob access in cirrus bitblt copy CVE-2017-2620 (High): QEMU: cirrus_bitblt_cputov ...