CVE-2021-20257
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.4%
probabilidade de exploração
0.4%top 69% das CVEs
exploração observada
nãonenhuma fonte reporta
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.
Produtos afetados
n/a · QEMUReferências
https://bugzilla.redhat.com/show_bug.cgi?id=1930087https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlhttps://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.htmlhttps://security.gentoo.org/glsa/202208-27https://security.netapp.com/advisory/ntap-20220425-0003/https://www.openwall.com/lists/oss-security/2021/02/25/2