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A flaw was found in QEMU in the implementation of the Pointer Authentication (PAuth) support for ARM introduced in version 4.0 and fixed in version 5.0.0. A general failure of the signature generation process caused every PAuth-enforced pointer to be signed with the same signature. A local attacker could obtain the signature of a protected pointer and abuse this flaw to bypass PAuth protection for all programs running on QEMU.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade qemu | Jul 30, 2024 | Jun 4, 2020 |
| Oracle_linux | — | Upgrade qemu-imgUpgrade qemu-system-aarch64-coreUpgrade qemu-block-glusterUpgrade qemu-block-iscsiUpgrade qemu-system-x86Upgrade qemu-kvmUpgrade ivshmem-toolsUpgrade qemu-kvm-coreUpgrade qemu-block-rbdUpgrade qemu-system-aarch64Upgrade qemuUpgrade qemu-system-x86-coreUpgrade qemu-common | Feb 9, 2021 | Apr 2, 2020 |
| Suse | — | Upgrade qemu-hw-usb-redirectUpgrade qemu-s390xUpgrade qemu-block-sshUpgrade qemu-ui-spice-appUpgrade qemu-hw-display-virtio-gpuUpgrade qemu-block-rbdUpgrade qemu-chardev-spiceUpgrade qemu-ui-openglUpgrade qemu-block-iscsiUpgrade qemu-audio-alsaUpgrade qemu-ui-gtkUpgrade qemu-microvmUpgrade qemu-skibootUpgrade qemu-s390Upgrade qemu-seabiosUpgrade qemu-audio-paUpgrade qemu-ksmUpgrade qemu-hw-display-virtio-vgaUpgrade qemu-ui-cursesUpgrade qemu-x86Upgrade qemu-armUpgrade qemu-block-curlUpgrade qemu-hw-display-virtio-gpu-pciUpgrade qemu-chardev-baumUpgrade qemu-vgabiosUpgrade qemu-toolsUpgrade qemu-sgabiosUpgrade qemu-ui-spice-coreUpgrade qemu-ipxeUpgrade qemu-ppcUpgrade qemu-kvmUpgrade qemu-hw-s390x-virtio-gpu-ccwUpgrade qemu-hw-display-qxlUpgrade qemuUpgrade qemu-guest-agentUpgrade qemu-audio-spiceUpgrade qemu-lang | Feb 4, 2022 | May 21, 2020 |
| Ubuntu | — | Upgrade qemu-system-sparcUpgrade qemu-system-s390xUpgrade qemu-system-x86Upgrade qemu-system-mipsUpgrade qemu-system-armUpgrade qemu-system-ppcUpgrade qemuUpgrade qemu-system | May 22, 2020 | May 21, 2020 |
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