CVE-2011-4347
The kvm_vm_ioctl_assign_device function in virt/kvm/assigned-dev.c in the KVM subsystem in the Linux kernel before 3.1.10 does not verify permission to access PCI configuration space and BAR resources, which allows host OS users to assign PCI devices and cause a denial of service (host OS crash) via a KVM_ASSIGN_PCI_DEVICE operation.
- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)
- CWE
- CWE-264
- Published
- Modified
- Record from
- the NVD, synced
Affected
- linux:linux_kernel
References
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10
- http://www.openwall.com/lists/oss-security/2011/11/24/7
- https://bugzilla.redhat.com/show_bug.cgi?id=756084
- https://github.com/torvalds/linux/commit/c4e7f9022e506c6635a5037713c37118e23193e4
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.10