CVE-2016-9083

Description

drivers/vfio/pci/vfio_pci.c in the Linux kernel through 4.8.11 allows local users to bypass integer overflow checks, and cause a denial of service (memory corruption) or have unspecified other impact, by leveraging access to a vfio PCI device file for a VFIO_DEVICE_SET_IRQS ioctl call, aka a "state machine confusion bug."

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2016/10/26/11 third party advisory mailing list
https://patchwork.kernel.org/patch/9373631/ patch vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0387.html third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1389258 issue tracking
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913a patch vendor advisory issue tracking
https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a patch third party advisory issue tracking
http://rhn.redhat.com/errata/RHSA-2017-0386.html third party advisory vendor advisory
http://www.securityfocus.com/bid/93929 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2016-9083?
CVE-2016-9083 has been scored as a high severity vulnerability.
How to fix CVE-2016-9083?
To fix CVE-2016-9083, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9083 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-9083 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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