CVE-2016-4482
Vulnerability Summary
Timeline
Description
The proc_connectinfo function in drivers/usb/core/devio.c in the Linux kernel through 4.6 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted USBDEVFS_CONNECTINFO ioctl call.
CVSS Metrics
- v3.0•MEDIUM•Score: 6.2CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.55%• Percentile: 45%
Techniques & Countermeasures
- CWE-200•Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 15.10 | 16.04
- debian•linux
< 4.5.5-1 | < 4.5.5-1 | < 4.5.5-1 | < 4.5.5-1
- ubuntu•linux
< 3.13.0-91.138 | < 4.4.0-28.47
- ubuntu•linux-azure
all
- ubuntu•linux-azure-6.11
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-gcp
all
- ubuntu•linux-gcp-6.11
all
- ubuntu•linux-gke
all
- ubuntu•linux-gkeop
all
- ubuntu•linux-hwe
all
- ubuntu•linux-hwe-6.11
all
- ubuntu•linux-hwe-edge
all
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-lowlatency-hwe-6.11
all
- ubuntu•linux-lts-utopic
< 3.16.0-76.98~14.04.1
- ubuntu•linux-lts-vivid
< 3.19.0-64.72~14.04.1
- ubuntu•linux-lts-wily
< 4.2.0-41.48~14.04.1
- ubuntu•linux-lts-xenial
< 4.4.0-28.47~14.04.1
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1016.22 | all
- ubuntu•linux-realtime
all | all
- ubuntu•linux-riscv
all | all | all
- ubuntu•linux-snapdragon
< 4.4.0-1019.22
- fedoraproject•fedora
24
- linux•linux_kernel
≤ 4.6
- novell•suse_linux_enterprise_debuginfo
11.0:sp4
- novell•suse_linux_enterprise_desktop
12.0 | 12.0:sp1
- novell•suse_linux_enterprise_live_patching
12.0
- novell•suse_linux_enterprise_module_for_public_cloud
12.0
- novell•suse_linux_enterprise_real_time_extension
12.0:sp1
- novell•suse_linux_enterprise_server
11.0:extra | 11.0:sp4 | 12.0 | 12.0:sp1
- novell•suse_linux_enterprise_software_development_kit
11.0:sp4 | 12.0 | 12.0:sp1
- novell•suse_linux_enterprise_workstation_extension
12.0 | 12.0:sp1
References (47)
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html
- http://www.securityfocus.com/bid/90029
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1332931
- http://www.ubuntu.com/usn/USN-3017-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
- http://www.ubuntu.com/usn/USN-3017-3
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
- http://www.ubuntu.com/usn/USN-3018-2
- http://www.ubuntu.com/usn/USN-3021-2
- http://www.ubuntu.com/usn/USN-3017-2
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=681fef8380eb818c0b845fca5d2ab1dcbab114ee
- http://www.ubuntu.com/usn/USN-3019-1
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
- http://www.debian.org/security/2016/dsa-3607
- http://www.ubuntu.com/usn/USN-3016-2
- http://www.ubuntu.com/usn/USN-3016-1
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://www.ubuntu.com/usn/USN-3021-1
- http://www.ubuntu.com/usn/USN-3018-1
- http://www.openwall.com/lists/oss-security/2016/05/04/2
- https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184414.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
- http://www.ubuntu.com/usn/USN-3016-3
- http://www.ubuntu.com/usn/USN-3016-4
- http://www.ubuntu.com/usn/USN-3020-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
- https://ubuntu.com/security/CVE-2016-4482
- http://www.spinics.net/lists/linux-usb/msg140243.html
- http://www.openwall.com/lists/oss-security/2016/05/04/6
- https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit/?h=usb-next&id=681fef8380eb818c0b845fca5d2ab1dcbab114ee
- https://ubuntu.com/security/notices/USN-3016-1
- https://ubuntu.com/security/notices/USN-3016-2
- https://ubuntu.com/security/notices/USN-3017-1
- https://ubuntu.com/security/notices/USN-3017-3
- https://ubuntu.com/security/notices/USN-3016-3
- https://ubuntu.com/security/notices/USN-3016-4
- https://ubuntu.com/security/notices/USN-3017-2
- https://ubuntu.com/security/notices/USN-3020-1
- https://ubuntu.com/security/notices/USN-3018-2
- https://ubuntu.com/security/notices/USN-3018-1
- https://ubuntu.com/security/notices/USN-3019-1
- https://ubuntu.com/security/notices/USN-3021-2
- https://ubuntu.com/security/notices/USN-3021-1
- https://www.cve.org/CVERecord?id=CVE-2016-4482
- https://security-tracker.debian.org/tracker/CVE-2016-4482