Executive Summary

Informations
Name CVE-2016-9777 First vendor Publication 2016-12-28
Vendor Cve Last vendor Modification 2023-05-16

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 6 Temporal Score 7.8
Exploitabality Sub Score 1.1
 
Attack Vector Local Attack Complexity High
Privileges Required Low User Interaction None
Scope Changed Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Cvss Base Score 6.9 Attack Range Local
Cvss Impact Score 10 Attack Complexity Medium
Cvss Expoit Score 3.4 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9777

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2635

Nessus® Vulnerability Scanner

Date Description
2017-02-10 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3190-2.nasl - Type : ACT_GATHER_INFO
2017-02-06 Name : The remote Ubuntu host is missing one or more security-related patches.
File : ubuntu_USN-3190-1.nasl - Type : ACT_GATHER_INFO
2016-12-12 Name : The remote Fedora host is missing a security update.
File : fedora_2016-5ec2475e3f.nasl - Type : ACT_GATHER_INFO
2016-12-12 Name : The remote Fedora host is missing a security update.
File : fedora_2016-9c17cb9648.nasl - Type : ACT_GATHER_INFO
2016-12-12 Name : The remote Fedora host is missing a security update.
File : fedora_2016-bbe98c341c.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

Source Url
BID http://www.securityfocus.com/bid/94640
CONFIRM http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81c...
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12
https://bugzilla.redhat.com/show_bug.cgi?id=1400804
https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f...
MLIST http://www.openwall.com/lists/oss-security/2016/12/02/2

Alert History

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2016-12-31 09:24:37
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2016-12-29 00:18:55
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2016-12-28 21:23:53
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2016-12-28 12:03:29
  • First insertion