Integer overflow in Linux Kernel
CVE-2016-9084
drivers/vfio/pci/vfio_pci_intrs.c in the Linux kernel through 4.8.11 misuses the kzalloc function, which allows local users to cause a denial of service (integer overflow) or have unspecified other impact by leveraging access to a vfio PCI device file.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking)
- www.openwall.com/lists/oss-security/2016/10/26/11 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/93930 (vdb-entry)
- patchwork.kernel.org/patch/9373631/ (Patch)
- rhn.redhat.com/errata/RHSA-2017-0387.html (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Issue Tracking, Vendor Advisory)
- github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a (Patch, Third Party Advisory, Issue Tracking)
- rhn.redhat.com/errata/RHSA-2017-0386.html (vendor-advisory)
Frequently asked questions
- What is CVE-2016-9084?
- CVE-2016-9084 is a high-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2016-11-28.
- How severe is CVE-2016-9084?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2016-9084 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.