{"schema_version":"1.7.2","id":"OESA-2026-3046","modified":"2026-07-19T03:49:00Z","published":"2026-07-19T03:49:00Z","upstream":["CVE-2022-36648"],"summary":"qemu security update","details":"QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.\r\n\r\nSecurity Fix(es):\n\nThe hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier, allows remote attackers to crash the host qemu and potentially execute code on the host via execute a malformed program in the guest OS. Note: This has been disputed by multiple third parties as not a valid vulnerability due to the rocker device not falling within the virtualization use case.(CVE-2022-36648)","affected":[{"package":{"ecosystem":"openEuler:24.03-LTS-SP4","name":"qemu","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-24.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.2.0-81.oe2403sp4"}]}],"ecosystem_specific":{"aarch64":["qemu-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-block-curl-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-block-iscsi-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-block-rbd-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-block-ssh-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-debuginfo-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-debugsource-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-guest-agent-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-hw-usb-host-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-img-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-system-aarch64-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-system-arm-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-system-riscv-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-system-x86_64-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-user-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-user-binfmt-8.2.0-81.oe2403sp4.aarch64.rpm","qemu-user-static-8.2.0-81.oe2403sp4.aarch64.rpm"],"noarch":["qemu-help-8.2.0-81.oe2403sp4.noarch.rpm"],"src":["qemu-8.2.0-81.oe2403sp4.src.rpm"],"x86_64":["qemu-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-block-curl-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-block-iscsi-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-block-rbd-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-block-ssh-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-debuginfo-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-debugsource-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-guest-agent-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-hw-usb-host-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-img-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-seabios-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-system-aarch64-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-system-arm-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-system-riscv-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-system-x86_64-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-user-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-user-binfmt-8.2.0-81.oe2403sp4.x86_64.rpm","qemu-user-static-8.2.0-81.oe2403sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3046"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-36648"}],"database_specific":{"severity":"Critical"}}