CVE-2016-9083
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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."
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.38% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-190
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913aIssue Tracking, Patch, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0386.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0387.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/26/11Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/93929Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1389258Issue Tracking
- https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913aIssue Tracking, Patch, Third Party Advisory
- https://patchwork.kernel.org/patch/9373631/Patch, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913aIssue Tracking, Patch, Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0386.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0387.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/10/26/11Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/93929Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1389258Issue Tracking
- https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913aIssue Tracking, Patch, Third Party Advisory
- https://patchwork.kernel.org/patch/9373631/Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.