CVE-2016-9777

Description

KVM in the Linux kernel before 4.8.12, when I/O APIC is enabled, does not properly restrict the VCPU index, which allows guest OS users to gain host OS privileges or cause a denial of service (out-of-bounds array access and host OS crash) via a crafted interrupt request, related to arch/x86/kvm/ioapic.c and arch/x86/kvm/ioapic.h.

Risk Information

Base Score
7.8
MODERATE
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.067

Associated Vulnerability

VulnerabilityOS Platform
Linux kernel (USN-3190-1) linux-image-4.8.0-37-generic_4.8.0-37.39_i386.debLinux
Linux kernel (USN-3190-1) linux-image-4.8.0-37-generic_4.8.0-37.39_amd64.debLinux
Linux kernel (USN-3190-1) linux-image-4.8.0-37-lowlatency_4.8.0-37.39_i386.debLinux
Linux kernel (USN-3190-1) linux-image-4.8.0-37-lowlatency_4.8.0-37.39_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234