Improper input validation in Linux Kernel

CVE-2017-1000252

The KVM subsystem in the Linux kernel through 4.13.3 allows guest OS users to cause a denial of service (assertion failure, and hypervisor hang or crash) via an out-of bounds guest_irq value, related to arch/x86/kvm/vmx.c and virt/kvm/eventfd.c.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-1000252?
CVE-2017-1000252 is a medium-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-09-26.
How severe is CVE-2017-1000252?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2017-1000252 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.