CVE - CVE-2016-9777

CVE-ID
CVE-2016-9777	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:94640 URL:http://www.securityfocus.com/bid/94640 MISC:[oss-security] 20161202 CVE request: Kernel: kvm: out of bounds memory access via vcpu_id URL:http://www.openwall.com/lists/oss-security/2016/12/02/2 MISC:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 URL:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 MISC:http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 URL:http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12 MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1400804 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1400804 MISC:https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755 URL:https://github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755
Assigning CNA
Red Hat, Inc.
Date Record Created
20161202	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20161202)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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