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Vulnerability Details : CVE-2016-9777

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.
Publish Date : 2016-12-28 Last Update Date : 2016-12-30
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- CVSS Scores & Vulnerability Types

CVSS Score
6.9
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceGain privileges
CWE ID 125

- Products Affected By CVE-2016-9777

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel 4.8.11 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2016-9777

http://www.securityfocus.com/bid/94640
BID 94640 Linux Kernel 'lapic.c' Local Denial of Service Vulnerability Release Date:2016-12-08
https://bugzilla.redhat.com/show_bug.cgi?id=1400804 CONFIRM
https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 CONFIRM
http://www.openwall.com/lists/oss-security/2016/12/02/2
MLIST [oss-security] 20161202 CVE request: Kernel: kvm: out of bounds memory access via vcpu_id
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 CONFIRM
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 CONFIRM

- Metasploit Modules Related To CVE-2016-9777

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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