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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 4.5.5-1 | — |
| Debian 13 | linux | 4.5.5-1 | — |
| Debian 12 | linux | 4.5.5-1 | — |
| Debian 8 | linux | 3.16.7-ckt25-2+deb8u2 | DSA-3607-1 |
| Debian 7 | linux | 3.2.81-1 | DLA-516-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-riscv +6 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +4 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +3 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-28.47 | USN-3016-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1016.22 | USN-3016-2 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1019.22 | USN-3016-3 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-91.138 | USN-3018-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-76.98~14.04.1 | USN-3019-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-64.72~14.04.1 | USN-3020-1 |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-41.48~14.04.1 | USN-3017-3 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-28.47~14.04.1 | USN-3016-4 |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-docs | 3.12.59-60.41.8 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1696-1 |
| SLES 12 SP1 | kernel-syms | 3.12.59-60.41.1 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1696-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.59-60.41.2 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1696-1 |
| SLES 12 | kernel-docs | 3.12.60-52.49.3 | SUSE-SU-2016:1690-1 |
| SLES 12 | kernel-ec2 | 3.12.59-60.41.2 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1696-1, SUSE-SU-2016:1690-1 |
| SLES 12 | kernel-xen +4 | 3.12.60-52.49.1 | SUSE-SU-2016:1690-1 |
| SLES 11 SP4 | kernel-docs | 3.0.101-77.2 | SUSE-SU-2016:1672-1 |
| SLES 11 SP4 | kernel-ec2 +7 | 3.0.101-77.1 | SUSE-SU-2016:1672-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.86.1 | SUSE-SU-2016:2245-1 |
| SLES 11 SP2 | kernel-ec2 +6 | 3.0.101-0.7.53.1 | SUSE-SU-2017:0333-1 |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | kernel-syms | 3.12.59-60.41.1 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1696-1 |
| SLES for SAP 12 SP1 | kernel-xen +2 | 3.12.59-60.41.2 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1696-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.60-52.49.1 | SUSE-SU-2016:1690-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +7 | 3.0.101-77.1 | SUSE-SU-2016:1672-1 |
| SLE Real Time 12 SP1 | kernel-rt +5 | 3.12.61-60.18.1 | SUSE-SU-2016:1937-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-57.1 | SUSE-SU-2016:1985-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_7 | 1-4.2 | SUSE-SU-2016:2105-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_14 +1 | 1-2.1 | SUSE-SU-2016:1696-1, SUSE-SU-2016:1690-1 |
| SUSE OpenStack Cloud 5 | kernel-ec2 +6 | 3.0.101-0.47.86.1 | SUSE-SU-2016:2245-1 |
| SUSE Manager Proxy 2.1 | kernel-ec2 +6 | 3.0.101-0.47.86.1 | SUSE-SU-2016:2245-1 |
| SUSE Manager 2.1 | kernel-ec2 +6 | 3.0.101-0.47.86.1 | SUSE-SU-2016:2245-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.86.1 | SUSE-SU-2016:2245-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.16.3.el6uek | 0.4.5-3.el6 | ELSA-2017-3515 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.16.3.el7uek | 0.4.5-3.el7 | ELSA-2017-3515 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.27.el6uek | 0.5.3-2.el6 | ELSA-2017-3514 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.27.el7uek | 0.5.3-2.el7 | ELSA-2017-3514 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.16.3.el7uek | ELSA-2017-3515, ELSA-2017-3514 |
Advisories 21
- USN-3016-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3018-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-516-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3607-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3017-3 linux-lts-wily vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3019-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3020-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3016-2 linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3016-3 linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3016-4 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:1937-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1672-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1696-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0333-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2105-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1985-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1690-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2016:2245-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2024-0148 Linux Kernel: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen BSI CERT-Bund (WID) · Jan 17, 2024
- ELSA-2017-3515 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 9, 2017
- ELSA-2017-3514 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 6, 2017
References
- SUSE-SU-2016:1690 vendor-advisory
- 90029 vdb-entry
- SUSE-SU-2016:1696 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1332931
- USN-3017-1 vendor-advisory
- SUSE-SU-2016:1985 vendor-advisory
- USN-3017-3 vendor-advisory
- openSUSE-SU-2016:2184 vendor-advisory
- USN-3018-2 vendor-advisory
- USN-3021-2 vendor-advisory
- USN-3017-2 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=681fef8380eb818c0b845fca5d2ab1dcbab114ee
- USN-3019-1 vendor-advisory
- openSUSE-SU-2016:1641 vendor-advisory
- DSA-3607 vendor-advisory
- USN-3016-2 vendor-advisory
- USN-3016-1 vendor-advisory
- SUSE-SU-2016:1672 vendor-advisory
- USN-3021-1 vendor-advisory
- USN-3018-1 vendor-advisory
- [oss-security] 20160503 CVE Request: information leak in devio of Linux kernel mailing-list
- https://github.com/torvalds/linux/commit/681fef8380eb818c0b845fca5d2ab1dcbab114ee
- FEDORA-2016-4ce97823af vendor-advisory
- SUSE-SU-2016:2105 vendor-advisory
- USN-3016-3 vendor-advisory
- USN-3016-4 vendor-advisory
- USN-3020-1 vendor-advisory
- SUSE-SU-2016:1937 vendor-advisory