CVE-2021-20255

EPSS 0.4%CWE-835

Vexday Risk Score

3Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS —EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

09 mar 2021Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Produtos afetados

n/a · QEMU

Quer saber se a sua infraestrutura está exposta a isto?

Falar com a TrueHacking →

Referências

https://bugzilla.redhat.com/show_bug.cgi?id=1930646 https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1 https://security.netapp.com/advisory/ntap-20210507-0003/https://www.openwall.com/lists/oss-security/2021/02/25/1