{"id":"OESA-2023-1657","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):\r\n\r\nA flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated client to cause a denial of service.(CVE-2023-3354)","modified":"2025-09-03T06:19:14.204184Z","published":"2023-09-15T11:05:57Z","upstream":["CVE-2023-3354"],"database_specific":{"severity":"High"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1657"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3354"}],"affected":[{"package":{"name":"qemu","ecosystem":"openEuler:20.03-LTS-SP1","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-20.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0-76.oe1"}]}],"ecosystem_specific":{"x86_64":["qemu-seabios-4.1.0-76.oe1.x86_64.rpm","qemu-debugsource-4.1.0-76.oe1.x86_64.rpm","qemu-img-4.1.0-76.oe1.x86_64.rpm","qemu-block-rbd-4.1.0-76.oe1.x86_64.rpm","qemu-guest-agent-4.1.0-76.oe1.x86_64.rpm","qemu-4.1.0-76.oe1.x86_64.rpm","qemu-block-ssh-4.1.0-76.oe1.x86_64.rpm","qemu-debuginfo-4.1.0-76.oe1.x86_64.rpm","qemu-block-curl-4.1.0-76.oe1.x86_64.rpm","qemu-block-iscsi-4.1.0-76.oe1.x86_64.rpm"],"aarch64":["qemu-4.1.0-76.oe1.aarch64.rpm","qemu-block-iscsi-4.1.0-76.oe1.aarch64.rpm","qemu-debuginfo-4.1.0-76.oe1.aarch64.rpm","qemu-block-rbd-4.1.0-76.oe1.aarch64.rpm","qemu-debugsource-4.1.0-76.oe1.aarch64.rpm","qemu-block-curl-4.1.0-76.oe1.aarch64.rpm","qemu-guest-agent-4.1.0-76.oe1.aarch64.rpm","qemu-img-4.1.0-76.oe1.aarch64.rpm","qemu-block-ssh-4.1.0-76.oe1.aarch64.rpm"],"noarch":["qemu-help-4.1.0-76.oe1.noarch.rpm"],"src":["qemu-4.1.0-76.oe1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1657.json"}},{"package":{"name":"qemu","ecosystem":"openEuler:20.03-LTS-SP3","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-20.03-LTS-SP3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0-80.oe1"}]}],"ecosystem_specific":{"x86_64":["qemu-block-ssh-4.1.0-80.oe1.x86_64.rpm","qemu-debuginfo-4.1.0-80.oe1.x86_64.rpm","qemu-block-iscsi-4.1.0-80.oe1.x86_64.rpm","qemu-block-rbd-4.1.0-80.oe1.x86_64.rpm","qemu-seabios-4.1.0-80.oe1.x86_64.rpm","qemu-4.1.0-80.oe1.x86_64.rpm","qemu-debugsource-4.1.0-80.oe1.x86_64.rpm","qemu-guest-agent-4.1.0-80.oe1.x86_64.rpm","qemu-img-4.1.0-80.oe1.x86_64.rpm","qemu-block-curl-4.1.0-80.oe1.x86_64.rpm"],"aarch64":["qemu-block-iscsi-4.1.0-80.oe1.aarch64.rpm","qemu-debugsource-4.1.0-80.oe1.aarch64.rpm","qemu-block-rbd-4.1.0-80.oe1.aarch64.rpm","qemu-debuginfo-4.1.0-80.oe1.aarch64.rpm","qemu-block-curl-4.1.0-80.oe1.aarch64.rpm","qemu-block-ssh-4.1.0-80.oe1.aarch64.rpm","qemu-4.1.0-80.oe1.aarch64.rpm","qemu-img-4.1.0-80.oe1.aarch64.rpm","qemu-guest-agent-4.1.0-80.oe1.aarch64.rpm"],"noarch":["qemu-help-4.1.0-80.oe1.noarch.rpm"],"src":["qemu-4.1.0-80.oe1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1657.json"}},{"package":{"name":"qemu","ecosystem":"openEuler:22.03-LTS-SP1","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-22.03-LTS-SP1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-80.oe2203sp1"}]}],"ecosystem_specific":{"x86_64":["qemu-system-x86_64-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-system-aarch64-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-hw-usb-host-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-block-ssh-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-debugsource-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-seabios-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-debuginfo-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-block-curl-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-system-arm-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-guest-agent-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-block-rbd-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-system-riscv-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-img-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-6.2.0-80.oe2203sp1.x86_64.rpm","qemu-block-iscsi-6.2.0-80.oe2203sp1.x86_64.rpm"],"aarch64":["qemu-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-img-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-block-iscsi-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-guest-agent-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-block-rbd-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-hw-usb-host-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-block-curl-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-system-arm-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-debuginfo-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-system-x86_64-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-system-aarch64-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-system-riscv-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-block-ssh-6.2.0-80.oe2203sp1.aarch64.rpm","qemu-debugsource-6.2.0-80.oe2203sp1.aarch64.rpm"],"noarch":["qemu-help-6.2.0-80.oe2203sp1.noarch.rpm"],"src":["qemu-6.2.0-80.oe2203sp1.src.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1657.json"}},{"package":{"name":"qemu","ecosystem":"openEuler:22.03-LTS-SP2","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-22.03-LTS-SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.2.0-80.oe2203sp2"}]}],"ecosystem_specific":{"x86_64":["qemu-system-x86_64-6.2.0-80.oe2203sp2.x86_64.rpm","qemu-debuginfo-6.2.0-80.oe2203sp2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