{"schema_version":"1.7.5","id":"CVE-2020-15859","published":"2020-07-21T16:15:11.957Z","modified":"2026-07-08T05:59:24.349066578Z","related":["ALSA-2021:4191"],"details":"QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"b0ca999a43a22b38158a222233d3f5881648bb4f"},{"last_affected":"b0ca999a43a22b38158a222233d3f5881648bb4f"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.2.0"},{"last_affected":"4.2.0"}],"source":"CPE_STRING"}}],"versions":["4.2.0","v4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15859.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"b0ca999a43a22b38158a222233d3f5881648bb4f"},{"last_affected":"b0ca999a43a22b38158a222233d3f5881648bb4f"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:4.2.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.2.0"},{"last_affected":"4.2.0"}],"source":"CPE_STRING"}}],"versions":["4.2.0","v4.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15859.json"}}],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-27"},{"type":"REPORT","url":"https://bugs.launchpad.net/qemu/+bug/1886362"},{"type":"FIX","url":"https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.html"},{"type":"FIX","url":"https://www.openwall.com/lists/oss-security/2020/07/21/3"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.0"},{"last_affected":"9.0"},{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}