UBUNTU-CVE-2016-9777

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Source
https://ubuntu.com/security/CVE-2016-9777
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9777.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-9777
Upstream
Related
USN (2)
  • USN-3190-1
  • USN-3190-2
Published
2016-12-28T00:00:00Z
Modified
2026-02-04T04:10:57Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:16.04:LTS / linux-hwe

Package

Name
linux-hwe
Purl
pkg:deb/ubuntu/linux-hwe@4.8.0-39.42~16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.8.0-39.42~16.04.1

Affected versions

4.*
4.8.0-36.36~16.04.1

Ecosystem specific 

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}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-9777.json"