CVE-2016-9083
published 2016-11-28CVE-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…
PriorityP434high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.38%
31.1th percentile
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."
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 4.8.11-1 (bookworm) | linux 4.8.11-1 (bookworm) |
| linux | linux_kernel | >= 0 < 4.8.11-1 | 4.8.11-1 |
| linux | linux_kernel | >= 0 < 4.8.11-1 | 4.8.11-1 |
| linux | linux_kernel | >= 0 < 4.8.11-1 | 4.8.11-1 |
| linux | linux_kernel | >= 0 < 4.8.11-1 | 4.8.11-1 |
| linux | linux_kernel | >= 0 < 3.13.0-132.181 | 3.13.0-132.181 |
| linux | linux_kernel | >= 0 < 4.4.0-79.100 | 4.4.0-79.100 |
| linux | linux_kernel | >= 3.11 < 3.12.70 | 3.12.70 |
| linux | linux_kernel | >= 3.13 < 3.16.39 | 3.16.39 |
| linux | linux_kernel | >= 3.17 < 3.18.51 | 3.18.51 |
| linux | linux_kernel | >= 3.19 < 4.1.41 | 4.1.41 |
| linux | linux_kernel | >= 3.6 < 3.10.107 | 3.10.107 |
| linux | linux_kernel | >= 4.2 < 4.4.65 | 4.4.65 |
| linux | linux_kernel | >= 4.5 < 4.9 | 4.9 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
vendor_ubuntu7.8HIGH
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Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2017-09-18·CVSS 7.8
CVE-2016-10044 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the asynchronous I/O (aio) subsystem of the Linux
kernel did not properly set permissions on aio memory mappings in some
situations. An attacker could use this to more easily exploit other
vulnerabilities. (CVE-2016-10044)
Baozeng Ding and Andrey Konovalov discovered a race condition in the L2TPv3
IP Encapsulation implementation in the Linux kernel. A local attacker could
use this to cause a denial of service (system cra
Ubuntu
Linux kernel (Trusty HWE) vulnerabilities
vendor_ubuntu·2017-09-18·CVSS 7.8
CVE-2016-10044 [HIGH] Linux kernel (Trusty HWE) vulnerabilities
Title: Linux kernel (Trusty HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3422-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu
12.04 LTS.
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the asynchronous I/O (aio) subsystem of the Linux
kernel did not properly set permissions on aio memory mappings in some
situations. An attacker could use this to more easily exploit other
vulnerabi
Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2017-07-21·CVSS 5.5
CVE-2015-1350 [MEDIUM] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3358-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Please
note that this update changes the Linux HWE kernel to the 4.10 based
kernel from Ubuntu 17.04, superseding the 4.8 based HWE kernel from
Ubuntu 16.10.
Ben Harris discovered that the Linux kernel would strip extended privilege
attributes of files when performing a failed unprivileged system call. A
local attacker could use this to cause a denial of service. (CVE-2015-1350)
Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel
did not properly validate
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities
vendor_ubuntu·2017-06-07·CVSS 5.0
CVE-2016-7913 [MEDIUM] Linux kernel (Xenial HWE) vulnerabilities
Title: Linux kernel (Xenial HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3312-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.
It was discovered that the netfilter netlink implementation in the Linux
kernel did not properly validate batch messages. A local attacker with the
CAP_NET_ADMIN capability could use this to expose sensitive information or
cause a denial of service. (CVE-2016-7917)
Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build()
function in the Linux kernel. A local attacker could use to cause a denial
of service (system crash) or possibly execute arbitra
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2017-06-07·CVSS 5.0
CVE-2016-7913 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the netfilter netlink implementation in the Linux
kernel did not properly validate batch messages. A local attacker with the
CAP_NET_ADMIN capability could use this to expose sensitive information or
cause a denial of service. (CVE-2016-7917)
Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build()
function in the Linux kernel. A local attacker could use to cause a denial
of service (system crash) or possibly execute arbitrary code with
administrative privileges. (CVE-2016-8632)
It was discovered that the keyring implementation in the Linux kernel in
some situations did not prevent special internal keyrings from being joined
by userspace keyrings
Red Hat
kernel: State machine confusion bug in vfio driver leading to memory corruption
vendor_redhat·2016-10-12·CVSS 7.8
CVE-2016-9083 [HIGH] CWE-391 kernel: State machine confusion bug in vfio driver leading to memory corruption
kernel: State machine confusion bug in vfio driver leading to memory corruption
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."
A flaw was discovered in the Linux kernel's implementation of VFIO. An attacker issuing an ioctl can create a situation where memory is corrupted and modify memory outside of the expected area. This may overwrite kernel memory and subvert kernel execution.
Statement: This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG
Red Hat
kernel: Integer overflow when using kzalloc in vfio driver
vendor_redhat·2016-10-12·CVSS 7.8
CVE-2016-9084 [HIGH] CWE-190 kernel: Integer overflow when using kzalloc in vfio driver
kernel: Integer overflow when using kzalloc in vfio driver
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.
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 Linu
Debian
CVE-2016-9083: linux - drivers/vfio/pci/vfio_pci.c in the Linux kernel through 4.8.11 allows local user...
vendor_debian·2016·CVSS 7.8
CVE-2016-9083 [HIGH] CVE-2016-9083: linux - drivers/vfio/pci/vfio_pci.c in the Linux kernel through 4.8.11 allows local user...
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."
Scope: local
bookworm: resolved (fixed in 4.8.11-1)
bullseye: resolved (fixed in 4.8.11-1)
forky: resolved (fixed in 4.8.11-1)
sid: resolved (fixed in 4.8.11-1)
trixie: resolved (fixed in 4.8.11-1)
GHSA
GHSA-5r95-3f2r-9v8g: drivers/vfio/pci/vfio_pci
ghsa_unreviewed·2022-05-14
CVE-2016-9083 [HIGH] CWE-119 GHSA-5r95-3f2r-9v8g: drivers/vfio/pci/vfio_pci
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."
OSV
linux vulnerabilities
osv·2017-09-18·CVSS 7.8
CVE-2017-1000251 [HIGH] linux vulnerabilities
linux vulnerabilities
It was discovered that a buffer overflow existed in the Bluetooth stack of
the Linux kernel when handling L2CAP configuration responses. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-1000251)
It was discovered that the asynchronous I/O (aio) subsystem of the Linux
kernel did not properly set permissions on aio memory mappings in some
situations. An attacker could use this to more easily exploit other
vulnerabilities. (CVE-2016-10044)
Baozeng Ding and Andrey Konovalov discovered a race condition in the L2TPv3
IP Encapsulation implementation in the Linux kernel. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2016-10200)
Andreas Gruenbacher an
OSV
linux-hwe vulnerabilities
osv·2017-07-21·CVSS 5.5
[MEDIUM] linux-hwe vulnerabilities
linux-hwe vulnerabilities
USN-3358-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Please
note that this update changes the Linux HWE kernel to the 4.10 based
kernel from Ubuntu 17.04, superseding the 4.8 based HWE kernel from
Ubuntu 16.10.
Ben Harris discovered that the Linux kernel would strip extended privilege
attributes of files when performing a failed unprivileged system call. A
local attacker could use this to cause a denial of service. (CVE-2015-1350)
Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel
did not properly validate meta block groups. An attacker with physical
access could use this to specially cr
OSV
linux-lts-xenial vulnerabilities
osv·2017-06-07·CVSS 5.0
[MEDIUM] linux-lts-xenial vulnerabilities
linux-lts-xenial vulnerabilities
USN-3312-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.
It was discovered that the netfilter netlink implementation in the Linux
kernel did not properly validate batch messages. A local attacker with the
CAP_NET_ADMIN capability could use this to expose sensitive information or
cause a denial of service. (CVE-2016-7917)
Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build()
function in the Linux kernel. A local attacker could use to cause a denial
of service (system crash) or possibly execute arbitrary code with
administrative privileges. (CVE-2016-8632)
It was discovered that th
OSV
linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities
osv·2017-06-07·CVSS 5.0
CVE-2016-7917 [MEDIUM] linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities
linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities
It was discovered that the netfilter netlink implementation in the Linux
kernel did not properly validate batch messages. A local attacker with the
CAP_NET_ADMIN capability could use this to expose sensitive information or
cause a denial of service. (CVE-2016-7917)
Qian Zhang discovered a heap-based buffer overflow in the tipc_msg_build()
function in the Linux kernel. A local attacker could use to cause a denial
of service (system crash) or possibly execute arbitrary code with
administrative privileges. (CVE-2016-8632)
It was discovered that the keyring implementation in the Linux kernel in
some situations did not prevent special internal keyrings from being joined
by userspace keyrings. A privileged local attac
OSV
CVE-2016-9083: drivers/vfio/pci/vfio_pci
osv·2016-11-28·CVSS 7.8
CVE-2016-9083 [HIGH] CVE-2016-9083: drivers/vfio/pci/vfio_pci
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."
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-9084 kernel: Integer overflow when using kzalloc in vfio driver
bugzilla·2016-10-27·CVSS 7.8
CVE-2016-9084 [HIGH] CVE-2016-9084 kernel: Integer overflow when using kzalloc in vfio driver
CVE-2016-9084 kernel: Integer overflow when using kzalloc in vfio driver
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. This issue is related to CVE-2016-9083 (bugzilla.redhat.com/CVE-2016-9083 )
Proposed patch:
https://patchwork.kernel.org/patch/9373631/
CVE assignment:
http://seclists.org/oss-sec/2016/q4/251
Discussion:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1389285]
---
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 Linu
Bugzilla
CVE-2016-9083 kernel: State machine confusion bug in vfio driver leading to memory corruption
bugzilla·2016-10-27·CVSS 7.8
CVE-2016-9083 [HIGH] CVE-2016-9083 kernel: State machine confusion bug in vfio driver leading to memory corruption
CVE-2016-9083 kernel: State machine confusion bug in vfio driver leading to memory corruption
A flaw was discovered in the Linux kernels implementation of VFIO. While issuing an IOCTL, the VFIO_DEVICE_SET_IRQS parameter for vfio PCI devices has a state machine confusion bug where specifying VFIO_IRQ_SET_DATA_NONE along with another bit in VFIO_IRQ_SET_DATA_TYPE_MASK in hdr.flags allows integer overflow checks to be skipped for hdr.start/hdr.count.
This might allow memory corruption later in vfio_pci_set_msi_trigger() with user access to an appropriate vfio device file, but it seems difficult to usefully exploit in practice.
Proposed patch:
https://patchwork.kernel.org/patch/9373631/
CVE assignment:
http://seclists.org/oss-sec/2016/q4/251
Discussion:
Created kernel tracking bugs for
Bugzilla
CVE-2016-9083 CVE-2016-9084 kernel: various flaws [fedora-all]
bugzilla·2016-10-27·CVSS 7.8
CVE-2016-9083 [HIGH] CVE-2016-9083 CVE-2016-9084 kernel: various flaws [fedora-all]
CVE-2016-9083 CVE-2016-9084 kernel: various flaws [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of Fedora.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple supported versions of Fedora. While o
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913ahttp://rhn.redhat.com/errata/RHSA-2017-0386.htmlhttp://rhn.redhat.com/errata/RHSA-2017-0387.htmlhttp://www.openwall.com/lists/oss-security/2016/10/26/11http://www.securityfocus.com/bid/93929https://bugzilla.redhat.com/show_bug.cgi?id=1389258https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913ahttps://patchwork.kernel.org/patch/9373631/http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=05692d7005a364add85c6e25a6c4447ce08f913ahttp://rhn.redhat.com/errata/RHSA-2017-0386.htmlhttp://rhn.redhat.com/errata/RHSA-2017-0387.htmlhttp://www.openwall.com/lists/oss-security/2016/10/26/11http://www.securityfocus.com/bid/93929https://bugzilla.redhat.com/show_bug.cgi?id=1389258https://github.com/torvalds/linux/commit/05692d7005a364add85c6e25a6c4447ce08f913ahttps://patchwork.kernel.org/patch/9373631/
2016-11-28
Published