CVE-2021-4095
CVE-2021-4095
Vexday Risk Score
3Baixo
Decisão SSVC (CISA)
Track
Sem sinal de exploração → monitorar
CVSS —EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Ciclo de vida
08 mar 2022Publicada no NVD
Recomendação: Monitorar — sem sinal de exploração no momento.
A NULL pointer dereference was found in the Linux kernel's KVM when dirty ring logging is enabled without an active vCPU context. An unprivileged local attacker on the host may use this flaw to cause a kernel oops condition and thus a denial of service by issuing a KVM_XEN_HVM_SET_ATTR ioctl. This flaw affects Linux kernel versions prior to 5.17-rc1.
Produtos afetados
n/a · kernelQuer saber se a sua infraestrutura está exposta a isto?
Falar com a TrueHacking →Referências
https://bugzilla.redhat.com/show_bug.cgi?id=2031194https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QIOQN7JJNN6ABIDGRSTVZA65MHRLMH2Q/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT6573CGKVK3DU2632VVO5BVM4IU7SBV/http://www.openwall.com/lists/oss-security/2022/01/17/1