CVE - CVE-2021-20196

CVE-ID
CVE-2021-20196	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update URL:https://lists.debian.org/debian-lts-announce/2022/04/msg00002.html MISC:[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update URL:https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html MISC:https://bugs.launchpad.net/qemu/+bug/1912780 URL:https://bugs.launchpad.net/qemu/+bug/1912780 MISC:https://security.netapp.com/advisory/ntap-20210708-0004/ URL:https://security.netapp.com/advisory/ntap-20210708-0004/ MISC:https://www.openwall.com/lists/oss-security/2021/01/28/1 URL:https://www.openwall.com/lists/oss-security/2021/01/28/1
Assigning CNA
Red Hat, Inc.
Date Record Created
20201217	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20201217)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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