High severity7.8NVD Advisory· Published Dec 28, 2016· Updated May 6, 2026
CVE-2016-9777
CVE-2016-9777
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- www.openwall.com/lists/oss-security/2016/12/02/2nvdMailing ListPatch
- github.com/torvalds/linux/commit/81cdb259fb6d8c1c4ecfeea389ff5a73c07f5755nvdPatchVendor Advisory
- www.securityfocus.com/bid/94640nvdThird Party AdvisoryVDB Entry
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.12nvdRelease Notes
- bugzilla.redhat.com/show_bug.cginvdIssue Tracking
News mentions
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