CVE-2021-20196
Vulnerability from cvelistv5
Published
2021-05-26 21:16
Modified
2024-08-03 17:30
Severity ?
Summary
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.
References
secalert@redhat.comhttps://bugs.launchpad.net/qemu/+bug/1912780Exploit, Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/04/msg00002.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20210708-0004/Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2021/01/28/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/qemu/+bug/1912780Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/04/msg00002.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210708-0004/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2021/01/28/1Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
Show details on NVD website

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