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."
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.8.11-1 |
| debian | bullseye | fixed | 4.8.11-1 |
| debian | forky | fixed | 4.8.11-1 |
| debian | sid | fixed | 4.8.11-1 |
| debian | trixie | fixed | 4.8.11-1 |
| linux-kernel | affected | 3.10.107 |
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/93929
- https://bugzilla.redhat.com/show_bug.cgi?id=1389258
- https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913a
- https://patchwork.kernel.org/patch/9373631/
- https://www.suse.com/security/cve/CVE-2016-9083.html
- https://security-tracker.debian.org/tracker/CVE-2016-9083
CWEs
CWE-119 CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.