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GoogleOSV:CVE-2021-20257HistoryMar 16, 2022 - 3:15 p.m.
CVE-2021-20257
2022-03-1615:15:09
Google
osv.dev
4
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
bugzilla.redhat.com/show_bug.cgi?id=1930087
github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8
lists.debian.org/debian-lts-announce/2022/09/msg00008.html
lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html
security.gentoo.org/glsa/202208-27
security.netapp.com/advisory/ntap-20220425-0003/
www.openwall.com/lists/oss-security/2021/02/25/2
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