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Qemu: cirrus: OOB access issue in mode4and5 write functions

🗓️ 13 Mar 2018 18:37:10Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

QEMU Cirrus 54xx allows out-of-bounds writes in mode four and five, enabling privileged guest DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64qemu-guest-agent2:0.12.1.2-2.503.el6_9.5qemu-guest-agent-2:0.12.1.2-2.503.el6_9.5.ppc64.rpm
Red Hat Enterprise Linux6x86_64qemu-guest-agent2:0.12.1.2-2.503.el6_9.5qemu-guest-agent-2:0.12.1.2-2.503.el6_9.5.x86_64.rpm
Red Hat Enterprise Linux6anyqemu-guest-agent2:0.12.1.2-2.503.el6_9.5.i686qemu-guest-agent-2:0.12.1.2-2.503.el6_9.5.i686.noarch.rpm
Red Hat Enterprise Linux6x86_64qemu-img2:0.12.1.2-2.503.el6_9.5qemu-img-2:0.12.1.2-2.503.el6_9.5.x86_64.rpm
Red Hat Enterprise Linux6x86_64qemu-kvm2:0.12.1.2-2.503.el6_9.5qemu-kvm-2:0.12.1.2-2.503.el6_9.5.x86_64.rpm
Red Hat Enterprise Linux6ppc64qemu-kvm-debuginfo2:0.12.1.2-2.503.el6_9.5qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6_9.5.ppc64.rpm
Red Hat Enterprise Linux6x86_64qemu-kvm-debuginfo2:0.12.1.2-2.503.el6_9.5qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6_9.5.x86_64.rpm
Red Hat Enterprise Linux6anyqemu-kvm-debuginfo2:0.12.1.2-2.503.el6_9.5.i686qemu-kvm-debuginfo-2:0.12.1.2-2.503.el6_9.5.i686.noarch.rpm
Red Hat Enterprise Linux6x86_64qemu-kvm-tools2:0.12.1.2-2.503.el6_9.5qemu-kvm-tools-2:0.12.1.2-2.503.el6_9.5.x86_64.rpm

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28 Jun 2026 12:09Current
7.2High risk
Vulners AI Score7.2
CVSS 22.1
CVSS 3.16
EPSS0.00463
3