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Qemu: cirrus: OOB access issue in mode4and5 write functions

🗓️ 14 Dec 2017 22:15:13Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

QEMU Cirrus VGA mode4 and mode5 writes allow out-of-bounds memory access, enabling a guest DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7x86_64qemu-img-rhev10:2.9.0-16.el7_4.11qemu-img-rhev-10:2.9.0-16.el7_4.11.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-common-rhev10:2.9.0-16.el7_4.11qemu-kvm-common-rhev-10:2.9.0-16.el7_4.11.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-rhev10:2.9.0-16.el7_4.11qemu-kvm-rhev-10:2.9.0-16.el7_4.11.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-rhev-debuginfo10:2.9.0-16.el7_4.11qemu-kvm-rhev-debuginfo-10:2.9.0-16.el7_4.11.x86_64.rpm
Red Hat Enterprise Linux7x86_64qemu-kvm-tools-rhev10:2.9.0-16.el7_4.11qemu-kvm-tools-rhev-10:2.9.0-16.el7_4.11.x86_64.rpm

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30 Jun 2026 11:35Current
7.2High risk
Vulners AI Score7.2
CVSS 22.1
CVSS 3.16
EPSS0.00463
4