{"id":"USN-4467-3","summary":"qemu regression","details":"USN-4467-1 fixed vulnerabilities in QEMU. The fix for CVE-2020-13754\nintroduced a regression in certain environments. This update fixes the\nproblem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko\n discovered that the QEMU incorrectly handled certain msi-x mmio operations.\n An attacker inside a guest could possibly use this issue to cause QEMU to\n crash, resulting in a denial of service. (CVE-2020-13754)\n","modified":"2026-02-10T04:41:54Z","published":"2021-02-22T16:04:05Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4467-3"},{"type":"REPORT","url":"https://launchpad.net/bugs/1914883"}],"affected":[{"package":{"name":"qemu","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qemu@1:2.5+dfsg-5ubuntu10.51?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.5+dfsg-5ubuntu10.51"}]}],"versions":["1:2.3+dfsg-5ubuntu9","1:2.3+dfsg-5ubuntu10","1:2.4+dfsg-4ubuntu1","1:2.4+dfsg-4ubuntu2","1:2.4+dfsg-4ubuntu3","1:2.4+dfsg-5ubuntu3","1:2.5+dfsg-1ubuntu2","1:2.5+dfsg-1ubuntu3","1:2.5+dfsg-1ubuntu4","1:2.5+dfsg-1ubuntu5","1:2.5+dfsg-5ubuntu1","1:2.5+dfsg-5ubuntu2","1:2.5+dfsg-5ubuntu4","1:2.5+dfsg-5ubuntu6","1:2.5+dfsg-5ubuntu7","1:2.5+dfsg-5ubuntu10","1:2.5+dfsg-5ubuntu10.1","1:2.5+dfsg-5ubuntu10.2","1:2.5+dfsg-5ubuntu10.3","1:2.5+dfsg-5ubuntu10.4","1:2.5+dfsg-5ubuntu10.5","1:2.5+dfsg-5ubuntu10.6","1:2.5+dfsg-5ubuntu10.7","1:2.5+dfsg-5ubuntu10.8","1:2.5+dfsg-5ubuntu10.9","1:2.5+dfsg-5ubuntu10.10","1:2.5+dfsg-5ubuntu10.11","1:2.5+dfsg-5ubuntu10.13","1:2.5+dfsg-5ubuntu10.14","1:2.5+dfsg-5ubuntu10.15","1:2.5+dfsg-5ubuntu10.16","1:2.5+dfsg-5ubuntu10.20","1:2.5+dfsg-5ubuntu10.21","1:2.5+dfsg-5ubuntu10.22","1:2.5+dfsg-5ubuntu10.24","1:2.5+dfsg-5ubuntu10.25","1:2.5+dfsg-5ubuntu10.26","1:2.5+dfsg-5ubuntu10.28","1:2.5+dfsg-5ubuntu10.29","1:2.5+dfsg-5ubuntu10.30","1:2.5+dfsg-5ubuntu10.31","1:2.5+dfsg-5ubuntu10.32","1:2.5+dfsg-5ubuntu10.33","1:2.5+dfsg-5ubuntu10.34","1:2.5+dfsg-5ubuntu10.35","1:2.5+dfsg-5ubuntu10.36","1:2.5+dfsg-5ubuntu10.37","1:2.5+dfsg-5ubuntu10.38","1:2.5+dfsg-5ubuntu10.39","1:2.5+dfsg-5ubuntu10.40","1:2.5+dfsg-5ubuntu10.41","1:2.5+dfsg-5ubuntu10.42","1:2.5+dfsg-5ubuntu10.43","1:2.5+dfsg-5ubuntu10.44","1:2.5+dfsg-5ubuntu10.45","1:2.5+dfsg-5ubuntu10.46","1:2.5+dfsg-5ubuntu10.47","1:2.5+dfsg-5ubuntu10.48","1:2.5+dfsg-5ubuntu10.49"],"ecosystem_specific":{"availability":"No 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