Description

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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913a

http://rhn.redhat.com/errata/RHSA-2017-0386.html

http://rhn.redhat.com/errata/RHSA-2017-0387.html

http://www.openwall.com/lists/oss-security/2016/10/26/11

http://www.securityfocus.com/bid/93930

https://bugzilla.redhat.com/show_bug.cgi?id=1389259

https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a

https://patchwork.kernel.org/patch/9373631/

Details

Risk Information

CVSS v2

CVSS v3