CVE-2016-9084: Integer Overflow
First published: Thu Oct 27 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <=4.8.11 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.17-1 |
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Reference Links
- 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/
- https://launchpad.net/bugs/cve/CVE-2016-9084
- https://access.redhat.com/security/cve/CVE-2016-9083
- http://seclists.org/oss-sec/2016/q4/251
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1389285
- https://access.redhat.com/support/policy/updates/errata/
- https://rhn.redhat.com/errata/RHSA-2017-0386.html
- https://rhn.redhat.com/errata/RHSA-2017-0387.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9084
- https://nvd.nist.gov/vuln/detail/CVE-2016-9084
- https://security-tracker.debian.org/tracker/CVE-2016-9084
- https://ubuntu.com/security/CVE-2016-9084
- https://git.kernel.org/linus/05692d7005a364add85c6e25a6c4447ce08f913a
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2016-9084.
What is the severity of CVE-2016-9084?
The severity of CVE-2016-9084 is medium.
How does CVE-2016-9084 affect Linux kernel versions?
CVE-2016-9084 affects Linux kernel versions through 4.8.11.
How can CVE-2016-9084 be exploited?
CVE-2016-9084 can be exploited by local users with access to a vfio PCI device file.
What is the fix for CVE-2016-9084?
The fix for CVE-2016-9084 is to upgrade to Linux kernel versions 3.13.0-132.181, 4.4.0-79.100, 4.9~, or a higher version.
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