Description
fs/pipe.c in the Linux kernel before 4.5 does not limit the amount of unread data in pipes, which allows local users to cause a denial of service (memory consumption) by creating many pipes with non-default sizes.
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 | 4.3.5-1 | — |
| Debian 13 | linux | 4.3.5-1 | — |
| Debian 12 | linux | 4.3.5-1 | — |
| Debian 8 | linux | 3.16.7-ckt20-1+deb8u4 | DSA-3503-1 |
| Debian 7 | linux | 3.2.73-2+deb7u3 | DSA-3503-1 |
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 14.04 LTS | linux | 3.13.0-85.129 | USN-2946-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-69.89~14.04.1 | USN-2948-1 |
| Ubuntu 14.04 LTS | linux-lts-vivid | 3.19.0-58.64~14.04.1 | USN-2949-1 |
| Ubuntu 14.04 LTS | linux-lts-wily | 4.2.0-35.40~14.04.1 | USN-2947-2 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-21.37~14.04.1 | USN-2965-2 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 | 3.10.0-514.rt56.420.el7 | RHSA-2016:2584 |
| RHEL 7 | perf +18 | 3.10.0-514.el7 | RHSA-2016:2574 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7.2 EUS | perf +18 | 3.10.0-327.46.1.el7 | RHSA-2017:0217 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | kernel-docs | 3.12.59-60.41.8 | SUSE-SU-2016:1696-1 |
| SLES 12 SP1 | kernel-syms | 3.12.59-60.41.1 | SUSE-SU-2016:1696-1 |
| SLES 12 SP1 | kernel-xen +3 | 3.12.59-60.41.2 | 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-2016:1696-1, 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 | 3.0.101-0.47.79.1 | SUSE-SU-2016:1203-1 |
| SLES 11 SP2 | kernel-ec2 +6 | 3.0.101-0.7.40.1 | SUSE-SU-2016:2074-1 |
Show 9 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-2016:1696-1 |
| SLES for SAP 12 SP1 | kernel-xen +2 | 3.12.59-60.41.2 | 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.rt130-54.1 | SUSE-SU-2016:1707-1 |
| 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 | 3.0.101-0.47.79.1 | SUSE-SU-2016:1203-1 |
| SUSE Manager Proxy 2.1 | kernel-ec2 +6 | 3.0.101-0.47.79.1 | SUSE-SU-2016:1203-1 |
| SUSE Manager 2.1 | kernel-ec2 +6 | 3.0.101-0.47.79.1 | SUSE-SU-2016:1203-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.6.el6uek | 0.5.3-2.el6 | ELSA-2016-3596 |
| Oracle Linux 7 | dtrace-modules-4.1.12-61.1.6.el7uek | 0.5.3-2.el7 | ELSA-2016-3596 |
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-61.1.6.el7uek | ELSA-2016-3596 |
| Oracle Linux 7 | perf +11 | 3.10.0-514.el7 | ELSA-2016-2574 |
Advisories 18
- RHSA-2017:0217 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- 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
- USN-2946-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3503-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2965-2 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2947-2 linux-lts-wily vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2948-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-2949-1 linux-lts-vivid 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-2016:1707-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:2074-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1203-1 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
- ELSA-2016-2574 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Nov 9, 2016
- ELSA-2016-3596 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 26, 2016
References
- SUSE-SU-2016:1690 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1313428
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=759c01142a5d0f364a462346168a56de28a80f52
- USN-2967-1 vendor-advisory
- SUSE-SU-2016:1696 vendor-advisory
- USN-2949-1 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- 83870 vdb-entry
- DSA-3503 vendor-advisory
- USN-2947-3 vendor-advisory
- USN-2967-2 vendor-advisory
- [oss-security] 20160301 CVE request -- linux kernel: pipe: limit the per-user amount of pages allocated in pipes mailing-list
- RHSA-2016:2584 vendor-advisory
- RHSA-2016:2574 vendor-advisory
- USN-2947-2 vendor-advisory
- USN-2947-1 vendor-advisory
- SUSE-SU-2016:1707 vendor-advisory
- SUSE-SU-2016:1672 vendor-advisory
- https://github.com/torvalds/linux/commit/759c01142a5d0f364a462346168a56de28a80f52
- USN-2946-2 vendor-advisory
- openSUSE-SU-2016:1382 vendor-advisory
- SUSE-SU-2016:2074 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- RHSA-2017:0217 vendor-advisory
- USN-2948-1 vendor-advisory
- USN-2946-1 vendor-advisory
- USN-2948-2 vendor-advisory
- SUSE-SU-2016:1937 vendor-advisory