Description
The InfiniBand (aka IB) stack in the Linux kernel before 4.5.3 incorrectly relies on the write system call, which allows local users to cause a denial of service (kernel memory write operation) or possibly have unspecified other impact via a uAPI interface.
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 | 4.5.3-1 | — |
| Debian 13 | linux | 4.5.3-1 | — |
| Debian 12 | linux | 4.5.3-1 | — |
| 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 | 4.4.0-24.43 | USN-3006-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1012.16 | USN-3007-1 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1015.18 | — |
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 | 3.19.0-61.69~14.04.1 | USN-3001-1 |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-38.45~14.04.1 | USN-3002-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-24.43~14.04.1 | USN-3005-1 |
| Ubuntu Pro 20.04 LTS | linux-azure-fde-5.15 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-327.22.2.rt56.230.el7_2 | RHSA-2016:1301 |
| RHEL 7 | perf +18 | 3.10.0-327.22.2.el7 | RHSA-2016:1277 |
| RHEL 6 | perf +16 | 2.6.32-642.3.1.el6 | RHSA-2016:1406 |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Mission Critical 6 | perf +9 | 2.6.32-220.67.1.el6 | RHSA-2016:1617 |
| RHEL 7.1 EUS | kernel-kdump +4 | 3.10.0-229.40.1.el7 | RHSA-2016:1657 |
| RHEL 7.1 EUS | perf +13 | 3.10.0-229.40.1.ael7b | RHSA-2016:1657 |
| RHEL 6.7 EUS | perf +16 | 2.6.32-573.32.1.el6 | RHSA-2016:1489 |
| RHEL 6.6 EUS | perf +16 | 2.6.32-504.51.1.el6 | RHSA-2016:1640 |
| RHEL 6.5 AUS | perf +10 | 2.6.32-431.73.2.el6 | RHSA-2016:1814 |
| RHEL 6.4 AUS | perf +9 | 2.6.32-358.72.1.el6 | RHSA-2016:1581 |
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-327.rt56.190.el6rt | RHSA-2016:1341 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-docs | 3.12.62-60.62.3 | SUSE-SU-2016:2105-1 |
| SLES 12 SP1 | kernel-xen +4 | 3.12.62-60.62.1 | SUSE-SU-2016:2105-1 |
| SLES 12 | kernel-docs | 3.12.60-52.49.3 | SUSE-SU-2016:1690-1 |
| SLES 12 | kernel-ec2 +5 | 3.12.60-52.49.1 | SUSE-SU-2016:2105-1, SUSE-SU-2016:1690-1 |
| SLES 12 | kgraft-patch-SLE12_Update_11 | 4-2.2 | SUSE-SU-2016:2010-1 |
| SLES 12 | kgraft-patch-SLE12_Update_12 | 2-2.2 | SUSE-SU-2016:2006-1 |
| SLES 12 | kgraft-patch-SLE12_Update_13 | 2-2.3 | SUSE-SU-2016:2001-1 |
| SLES 12 | kgraft-patch-SLE12_Update_7 | 6-2.2 | SUSE-SU-2016:2014-1 |
| SLES 12 | kgraft-patch-SLE12_Update_8 +2 | 5-2.2 | SUSE-SU-2016:2005-1, SUSE-SU-2016:2002-1, SUSE-SU-2016:1995-1 |
| 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-xen +3 | 3.12.62-60.62.1 | SUSE-SU-2016:2105-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.60-52.49.1 | SUSE-SU-2016:1690-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_11 | 4-2.2 | SUSE-SU-2016:2010-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_12 | 2-2.2 | SUSE-SU-2016:2006-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_13 | 2-2.3 | SUSE-SU-2016:2001-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_7 | 6-2.2 | SUSE-SU-2016:2014-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_8 +2 | 5-2.2 | SUSE-SU-2016:2005-1, SUSE-SU-2016:2002-1, SUSE-SU-2016:1995-1 |
| 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_0 | 5-14.2 | SUSE-SU-2016:1961-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_1 | 5-2.1 | SUSE-SU-2016:1994-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_2 | 4-2.1 | SUSE-SU-2016:2009-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_3 | 3-2.1 | SUSE-SU-2016:2007-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_4 +1 | 2-2.2 | SUSE-SU-2016:2011-1, SUSE-SU-2016:2000-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_5 | 2-2.1 | SUSE-SU-2016:2003-1 |
| 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 | 1-2.1 | 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-3.8.13-118.7.1.el6uek | 0.4.5-3.el6 | ELSA-2016-3573 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.7.1.el7uek | 0.4.5-3.el7 | ELSA-2016-3573 |
| Oracle Linux 7 | dtrace-modules-4.1.12-37.5.1.el6uek | 0.5.2-1.el6 | ELSA-2016-3570 |
| Oracle Linux 7 | dtrace-modules-4.1.12-37.5.1.el7uek | 0.5.2-1.el7 | ELSA-2016-3570 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.7.1.el7uek | ELSA-2016-3573, ELSA-2016-3570 |
| Oracle Linux 7 | perf +11 | 3.10.0-327.22.2.el7 | ELSA-2016-1277 |
Advisories 43
- RHSA-2016:1814 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1657 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1640 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1617 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1581 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1489 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1406 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1301 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1341 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:1277 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3018-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3006-1 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-3019-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3001-1 linux-lts-vivid vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3002-1 linux-lts-wily vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3005-1 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3007-1 linux-raspi2 vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2016:2002-1 Security update for Linux Kernel Live Patch 10 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 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-2016:2005-1 Security update for Linux Kernel Live Patch 8 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2011-1 Security update for Linux Kernel Live Patch 6 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2007-1 Security update for Linux Kernel Live Patch 3 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2014-1 Security update for Linux Kernel Live Patch 7 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1961-1 Security update for Linux Kernel Live Patch 0 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2001-1 Security update for Linux Kernel Live Patch 13 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2003-1 Security update for Linux Kernel Live Patch 5 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2000-1 Security update for Linux Kernel Live Patch 4 for SLE 12 SP1 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-2016:1995-1 Security update for Linux Kernel Live Patch 9 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2010-1 Security update for Linux Kernel Live Patch 11 for SLE 12 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1994-1 Security update for Linux Kernel Live Patch 1 for SLE 12 SP1 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-2016:2009-1 Security update for Linux Kernel Live Patch 2 for SLE 12 SP1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2006-1 Security update for Linux Kernel Live Patch 12 for SLE 12 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
- ELSA-2016-1277 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 23, 2016
- ELSA-2016-3573 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 13, 2016
- ELSA-2016-3570 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 13, 2016
References
- SUSE-SU-2016:1690 vendor-advisory
- USN-3006-1 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- USN-3004-1 vendor-advisory
- SUSE-SU-2016:2010 vendor-advisory
- SUSE-SU-2016:2011 vendor-advisory
- USN-3001-1 vendor-advisory
- SUSE-SU-2016:2003 vendor-advisory
- RHSA-2016:1640 vendor-advisory
- RHSA-2016:1657 vendor-advisory
- SUSE-SU-2016:1994 vendor-advisory
- 90301 vdb-entry
- RHSA-2016:1406 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- RHSA-2016:1341 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- SUSE-SU-2016:1961 vendor-advisory
- USN-3005-1 vendor-advisory
- SUSE-SU-2016:2001 vendor-advisory
- SUSE-SU-2016:1985 vendor-advisory
- RHSA-2016:1301 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3
- RHSA-2016:1814 vendor-advisory
- openSUSE-SU-2016:2184 vendor-advisory
- https://github.com/torvalds/linux/commit/e6bd18f57aad1a2d1ef40e646d03ed0f2515c9e3
- USN-3018-2 vendor-advisory
- USN-3021-2 vendor-advisory
- SUSE-SU-2016:2006 vendor-advisory
- SUSE-SU-2016:2014 vendor-advisory
- RHSA-2016:1489 vendor-advisory
- USN-3019-1 vendor-advisory
- openSUSE-SU-2016:1641 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
- DSA-3607 vendor-advisory
- USN-3002-1 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1310570
- SUSE-SU-2016:1672 vendor-advisory
- SUSE-SU-2016:2009 vendor-advisory
- USN-3021-1 vendor-advisory
- USN-3018-1 vendor-advisory
- RHSA-2016:1617 vendor-advisory
- SUSE-SU-2016:2005 vendor-advisory
- SUSE-SU-2016:2007 vendor-advisory
- USN-3007-1 vendor-advisory
- SUSE-SU-2016:2000 vendor-advisory
- USN-3003-1 vendor-advisory
- SUSE-SU-2016:1995 vendor-advisory
- SUSE-SU-2016:2105 vendor-advisory
- SUSE-SU-2016:2002 vendor-advisory
- RHSA-2016:1581 vendor-advisory
- RHSA-2016:1277 vendor-advisory
- [oss-security] 20160507 CVE Request: Linux: IB/security: Restrict use of the write() interface' mailing-list
- SUSE-SU-2016:1937 vendor-advisory