CVE-2016-9777

CVSS V2 Medium 6.9 CVSS V3 High 7.8
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.
Overview
  • CVE ID
  • CVE-2016-9777
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Undergoing Analysis
  • Published Version
  • 2016-12-28T07:59:00
  • Last Modified Date
  • 2016-12-31T02:59:40
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.8.11
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 6.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.4
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.1
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1400804 Issue Tracking
http://www.openwall.com/lists/oss-security/2016/12/02/2 Mailing List Patch
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 Release Notes
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 Patch Vendor Advisory
http://www.securityfocus.com/bid/94640
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2016-9777
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9777
History
Created Old Value New Value Data Type Notes
2022-05-10 09:53:29 Added to TrackCVE
2022-12-02 12:36:20 2016-12-28T07:59Z 2016-12-28T07:59:00 CVE Published Date updated
2022-12-02 12:36:20 2016-12-31T02:59:40 CVE Modified Date updated
2022-12-02 12:36:20 Modified Vulnerability Status updated
2023-04-12 22:06:50 Modified Undergoing Analysis Vulnerability Status updated