CVE-2021-20257
Vulnerability from cvelistv5
Published
2022-03-16 14:12
Modified
2024-08-03 17:37
Severity ?
Summary
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
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1930087Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8Patch, Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
secalert@redhat.comhttps://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.htmlMailing List, Patch, Vendor Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/202208-27Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20220425-0003/Third Party Advisory
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2021/02/25/2Mailing List, Patch, Third Party Advisory
Impacted products
n/aQEMU
Show details on NVD website

To clipboard 

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