{"id":"OESA-2021-1411","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\nAn invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-3593)\r\n\r\nAn invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the 'bootp_t' structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-3592)\r\n\r\nAn invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the tftp_input() function and could occur while processing a udp packet that is smaller than the size of the 'tftp_t' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-3595)","modified":"2026-03-11T06:03:52.023101Z","published":"2021-10-30T11:03:19Z","upstream":["CVE-2021-3592","CVE-2021-3593","CVE-2021-3595"],"database_specific":{"severity":"Low"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1411"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3593"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3592"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3595"}],"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":"4.1.0-58.oe1"}]}],"ecosystem_specific":{"noarch":["qemu-help-4.1.0-58.oe1.noarch.rpm"],"x86_64":["qemu-debuginfo-4.1.0-58.oe1.x86_64.rpm","qemu-debugsource-4.1.0-58.oe1.x86_64.rpm","qemu-seabios-4.1.0-58.oe1.x86_64.rpm","qemu-block-iscsi-4.1.0-58.oe1.x86_64.rpm","qemu-4.1.0-58.oe1.x86_64.rpm","qemu-img-4.1.0-58.oe1.x86_64.rpm","qemu-block-rbd-4.1.0-58.oe1.x86_64.rpm","qemu-block-ssh-4.1.0-58.oe1.x86_64.rpm","qemu-guest-agent-4.1.0-58.oe1.x86_64.rpm","qemu-block-curl-4.1.0-58.oe1.x86_64.rpm"],"src":["qemu-4.1.0-58.oe1.src.rpm"],"aarch64":["qemu-guest-agent-4.1.0-58.oe1.aarch64.rpm","qemu-debuginfo-4.1.0-58.oe1.aarch64.rpm","qemu-4.1.0-58.oe1.aarch64.rpm","qemu-block-curl-4.1.0-58.oe1.aarch64.rpm","qemu-img-4.1.0-58.oe1.aarch64.rpm","qemu-block-iscsi-4.1.0-58.oe1.aarch64.rpm","qemu-block-ssh-4.1.0-58.oe1.aarch64.rpm","qemu-block-rbd-4.1.0-58.oe1.aarch64.rpm","qemu-debugsource-4.1.0-58.oe1.aarch64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2021-1411.json"}},{"package":{"name":"qemu","ecosystem":"openEuler:20.03-LTS-SP2","purl":"pkg:rpm/openEuler/qemu&distro=openEuler-20.03-LTS-SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0-60.oe1"}]}],"ecosystem_specific":{"noarch":["qemu-help-4.1.0-60.oe1.noarch.rpm"],"x86_64":["qemu-debuginfo-4.1.0-60.oe1.x86_64.rpm","qemu-debugsource-4.1.0-60.oe1.x86_64.rpm","qemu-seabios-4.1.0-60.oe1.x86_64.rpm","qemu-block-iscsi-4.1.0-60.oe1.x86_64.rpm","qemu-4.1.0-60.oe1.x86_64.rpm","qemu-img-4.1.0-60.oe1.x86_64.rpm","qemu-block-rbd-4.1.0-60.oe1.x86_64.rpm","qemu-block-ssh-4.1.0-60.oe1.x86_64.rpm","qemu-guest-agent-4.1.0-60.oe1.x86_64.rpm","qemu-block-curl-4.1.0-60.oe1.x86_64.rpm"],"src":["qemu-4.1.0-60.oe1.src.rpm"],"aarch64":["qemu-guest-agent-4.1.0-60.oe1.aarch64.rpm","qemu-debuginfo-4.1.0-60.oe1.aarch64.rpm","qemu-4.1.0-60.oe1.aarch64.rpm","qemu-block-curl-4.1.0-60.oe1.aarch64.rpm","qemu-img-4.1.0-60.oe1.aarch64.rpm","qemu-block-iscsi-4.1.0-60.oe1.aarch64.rpm","qemu-block-ssh-4.1.0-60.oe1.aarch64.rpm","qemu-block-rbd-4.1.0-60.oe1.aarch64.rpm","qemu-debugsource-4.1.0-60.oe1.aarch64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2021-1411.json"}}],"schema_version":"1.7.5"}