CVE - CVE-2021-20257

CVE-ID
CVE-2021-20257	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles 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:GLSA-202208-27 URL:https://security.gentoo.org/glsa/202208-27 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://bugzilla.redhat.com/show_bug.cgi?id=1930087 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1930087 MISC:https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8 URL:https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8 MISC:https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html URL:https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html MISC:https://security.netapp.com/advisory/ntap-20220425-0003/ URL:https://security.netapp.com/advisory/ntap-20220425-0003/ MISC:https://www.openwall.com/lists/oss-security/2021/02/25/2 URL:https://www.openwall.com/lists/oss-security/2021/02/25/2
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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