{"containers":{"cna":{"affected":[{"product":"qemu","vendor":"n/a","versions":[{"status":"affected","version":"vulnerable up to (including) qemu 5.2.0"}]}],"descriptions":[{"lang":"en","value":"A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-09-05T05:06:36.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat"},"references":[{"tags":["x_refsource_MISC"],"url":"https://bugs.launchpad.net/qemu/+bug/1912780"},{"tags":["x_refsource_MISC"],"url":"https://www.openwall.com/lists/oss-security/2021/01/28/1"},{"tags":["x_refsource_CONFIRM"],"url":"https://security.netapp.com/advisory/ntap-20210708-0004/"},{"name":"[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update","tags":["mailing-list","x_refsource_MLIST"],"url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html"},{"name":"[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update","tags":["mailing-list","x_refsource_MLIST"],"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T17:30:07.781Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://bugs.launchpad.net/qemu/+bug/1912780"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.openwall.com/lists/oss-security/2021/01/28/1"},{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://security.netapp.com/advisory/ntap-20210708-0004/"},{"name":"[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html"},{"name":"[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update","tags":["mailing-list","x_refsource_MLIST","x_transferred"],"url":"https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"}]}]},"cveMetadata":{"assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","assignerShortName":"redhat","cveId":"CVE-2021-20196","datePublished":"2021-05-26T21:16:58.000Z","dateReserved":"2020-12-17T00:00:00.000Z","dateUpdated":"2024-08-03T17:30:07.781Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}