Description
drivers/infiniband/ulp/srpt/ib_srpt.c in the Linux kernel before 4.5.1 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an ABORT_TASK command to abort a device write operation.
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 | 4.6.1-1 | — |
| Debian 13 | linux | 4.6.1-1 | — |
| Debian 12 | linux | 4.6.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | linux | 4.4.0-22.39 | — |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1010.12 | — |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1013.14 | — |
| Ubuntu 14.04 LTS | linux | 3.13.0-86.130 | — |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-59.65~14.04.1 | — |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-36.41~14.04.1 | — |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-22.39~14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-rt +10 | 3.10.0-514.rt56.420.el7 | RHSA-2016:2584 |
| RHEL 7 | perf +18 | 3.10.0-514.el7 | RHSA-2016:2574 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-docs | 3.12.67-60.64.18.3 | SUSE-SU-2016:2912-1 |
| SLES 12 SP1 | kernel-xen +4 | 3.12.67-60.64.18.1 | SUSE-SU-2016:2912-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.66.1 | SUSE-SU-2017:0471-1, SUSE-SU-2016:2912-1 |
| SLES 12 | kgraft-patch-SLE12_Update_19 | 1-2.1 | SUSE-SU-2017:0471-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.67-60.64.18.1 | SUSE-SU-2016:2912-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.61-52.66.1 | SUSE-SU-2017:0471-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_19 | 1-2.1 | SUSE-SU-2017:0471-1 |
| SLE Real Time 12 SP1 | kernel-rt +5 | 3.12.67-60.27.1 | SUSE-SU-2016:3304-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_9 | 1-6.3 | SUSE-SU-2016:2912-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.14.2.el6uek | 0.4.5-3.el6 | ELSA-2016-3645 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.14.2.el7uek | 0.4.5-3.el7 | ELSA-2016-3645 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.14.2.el7uek | ELSA-2016-3645 |
| Oracle Linux 7 | perf +11 | 3.10.0-514.el7 | ELSA-2016-2574 |
Advisories 7
- RHSA-2016:2584 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2016:2574 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- SUSE-SU-2017:0471-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2912-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:3304-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2016-3645 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 20, 2016
- ELSA-2016-2574 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 9, 2016
References
- RHSA-2016:2584 vendor-advisory
- RHSA-2016:2574 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=51093254bf879bc9ce96590400a87897c7498463
- https://github.com/torvalds/linux/commit/51093254bf879bc9ce96590400a87897c7498463
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1
- 92549 vdb-entry
- [oss-security] 20160819 Re: CVE-2016-6327 | Linux kernel crash in infiniband subsystem. mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1354525