Description
The ipc_rcu_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local users to cause a denial of service (memory consumption or system crash) via a crafted application.
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 | 3.11.8-1 | — |
| Debian 13 | linux | 3.11.8-1 | — |
| Debian 12 | linux | 3.11.8-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +16 | 2.6.32-504.el6 | RHSA-2014:1392 |
| RHEL 5 | kernel +11 | 2.6.18-371.6.1.el5 | RHSA-2014:0285 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.5 EUS | perf +16 | 2.6.32-431.50.1.el6 | RHSA-2015:0284 |
| Red Hat MRG 2 | kernel-rt +10 | 3.10.33-rt32.33.el6rt | RHSA-2014:0439 |
Advisories 4
- RHSA-2015:0284 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2014:0285 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2014:1392 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2014:0439 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jan 7, 2026
References
- openSUSE-SU-2014:0247 vendor-advisory
- RHSA-2014:0285 vendor-advisory
- [oss-security] 20131030 Re: CVE Request -- Linux kernel: ipc: ipc_rcu_putref refcount races mailing-list
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.10.bz2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6062a8dc0517bce23e3c2f7d2fea5e22411269a3
- https://bugzilla.redhat.com/show_bug.cgi?id=1024854
- RHSA-2015:0284 vendor-advisory
- https://github.com/torvalds/linux/commit/6062a8dc0517bce23e3c2f7d2fea5e22411269a3