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A heap buffer overflow flaw was found in QEMU's Cirrus CLGD 54xx VGA emulator's VNC display driver support before 2.9; the issue could occur when a VNC client attempted to update its display after a VGA operation is performed by a guest. A privileged user/process inside a guest could use this flaw to crash the QEMU process or, potentially, execute arbitrary code on the host with privileges of the QEMU process.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade xen | Jul 27, 2018 | Jul 27, 2018 |
| Centos_linux | — | Upgrade qemu-imgUpgrade qemu-guest-agentUpgrade qemu-kvm-debuginfoUpgrade qemu-kvm-toolsUpgrade qemu-kvm-commonUpgrade qemu-kvm | Apr 20, 2017 | Mar 14, 2017 |
| Debian | — | Upgrade xenUpgrade qemu-kvmUpgrade qemu | May 11, 2017 | Mar 14, 2017 |
| Freebsd | — | Upgrade xen-tools | Mar 23, 2017 | Mar 23, 2017 |
| Gentoo Linux | — | Upgrade app-emulation/qemu. | Oct 30, 2017 | Jun 6, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade qemu-img | Aug 28, 2019 | Jul 27, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade qemu-imgUpgrade qemu-kvmUpgrade qemu-kvm-common | Aug 28, 2019 | Jul 27, 2018 |
| Oracle_linux | — | Upgrade qemu-guest-agentUpgrade qemu-kvm-commonUpgrade qemu-kvm-toolsUpgrade qemu-imgUpgrade qemu-kvm | Apr 18, 2017 | Mar 14, 2017 |
| Redhat_linux | — | No solution existsUpgrade qemu-kvmUpgrade qemu-kvm-toolsUpgrade qemu-guest-agentUpgrade qemu-kvm-debuginfoUpgrade qemu-imgUpgrade qemu-kvm-common | Apr 18, 2017 | Mar 14, 2017 |
| Suse | — | Upgrade xen-libsUpgrade qemu-s390Upgrade xen-kmp-defaultUpgrade xen-kmp-paeUpgrade xen-tools-domUUpgrade qemu-block-curlUpgrade qemu-x86Upgrade qemu-seabiosUpgrade qemu-armUpgrade xen-doc-htmlUpgrade qemu-guest-agentUpgrade qemu-kvmUpgrade qemu-vgabiosUpgrade qemu-block-sshUpgrade qemu-toolsUpgrade qemu-sgabiosUpgrade xen-develUpgrade qemu-langUpgrade qemu-block-rbdUpgrade xenUpgrade qemu-ipxeUpgrade xen-toolsUpgrade xen-libs-32bitUpgrade qemu-ppcUpgrade kvmUpgrade qemuUpgrade xen-doc-pdf | Apr 20, 2017 | Mar 14, 2017 |
| Ubuntu | — | Upgrade qemu-system-armUpgrade qemu-system-miscUpgrade qemu-system-sparcUpgrade qemu-system-s390xUpgrade qemu-system-x86Upgrade qemu-system-mipsUpgrade qemu-system-ppcUpgrade qemu-systemUpgrade qemu-system-aarch64 | Apr 21, 2017 | Mar 14, 2017 |
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