CVE-2016-9084
kernel: Integer overflow when using kzalloc in vfio driver
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · October 12, 2016
Updated · June 28, 2026
Description
The use of a kzalloc with an integer multiplication allowed an integer overflow condition to be reached in vfio_pci_intrs.c. This combined with CVE-2016-9083 may allow an attacker to craft an attack and use unallocated memory, potentially crashing the machine.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7. This has been rated as having Moderate security impact and is currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.3CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
CVSS 2.0 · 3.3AV:L/AC:M/Au:N/C:N/I:P/A:P
CWE-190 · Integer Overflow or Wraparound