Description
Race condition in net/sctp/socket.c in the Linux kernel before 4.1.2 allows local users to cause a denial of service (list corruption and panic) via a rapid series of system calls related to sockets, as demonstrated by setsockopt calls.
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 | 4.0.8-1 | — |
| Debian 13 | linux | 4.0.8-1 | — |
| Debian 12 | linux | 4.0.8-1 | — |
| Debian 8 | linux | 3.16.7-ckt11-1+deb8u3 | DSA-3329-1 |
| Debian 7 | linux | 3.2.68-1+deb7u3 | DSA-3329-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-62.102 | USN-2716-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-46.62~14.04.1 | USN-2717-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-26.28~14.04.1 | USN-2718-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | kernel-kdump +4 | 3.10.0-229.14.1.el7 | RHSA-2015:1778 |
| RHEL 7 | kernel-rt +7 | 3.10.0-229.14.1.rt56.141.13.el7_1 | RHSA-2015:1788 |
| RHEL 7 | perf +13 | 3.10.0-229.14.1.ael7b | RHSA-2015:1778 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 1:3.10.0-229.rt56.161.el6rt | RHSA-2015:1787 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | kernel-docs | 3.12.44-52.10.3 | SUSE-SU-2015:1324-1 |
| SLES 12 | kernel-ec2 +5 | 3.12.44-52.10.1 | SUSE-SU-2015:1324-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | kernel-xen +3 | 3.12.44-52.10.1 | SUSE-SU-2015:1324-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_6 | 1-2.1 | SUSE-SU-2015:1324-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-98.2.2.el6uek | 0.4.5-3.el6 | ELSA-2015-3078 |
| Oracle Linux 7 | dtrace-modules-3.8.13-98.2.2.el7uek | 0.4.5-3.el7 | ELSA-2015-3078 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-98.2.2.el7uek | ELSA-2015-3078 |
| Oracle Linux 7 | perf +11 | 3.10.0-229.14.1.el7 | ELSA-2015-1778 |
Advisories 10
- RHSA-2015:1788 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1778 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1787 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2716-1 linux vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3329-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2717-1 linux-lts-utopic vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2718-1 linux-lts-vivid vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:1324-1 Security update for the SUSE Linux Enterprise 12 kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2015-3078 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 16, 2015
- ELSA-2015-1778 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 15, 2015
References
- USN-2717-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.2
- USN-2713-1 vendor-advisory
- USN-2718-1 vendor-advisory
- RHSA-2015:1778 vendor-advisory
- USN-2714-1 vendor-advisory
- 1033169 vdb-entry
- SUSE-SU-2015:1324 vendor-advisory
- DSA-3329 vendor-advisory
- RHSA-2015:1787 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- openSUSE-SU-2015:1382 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1226442
- https://github.com/torvalds/linux/commit/2d45a02d0166caf2627fe91897c6ffc3b19514c4
- 76082 vdb-entry
- USN-2716-1 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2d45a02d0166caf2627fe91897c6ffc3b19514c4
- USN-2719-1 vendor-advisory
- USN-2715-1 vendor-advisory
- https://support.f5.com/csp/article/K05211147