Description
Race condition in the key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 3.18.2 allows local users to cause a denial of service (memory corruption or panic) or possibly have unspecified other impact via keyctl commands that trigger access to a key structure member during garbage collection of a key.
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 | 3.16.7-ckt4-1 | — |
| Debian 13 | linux | 3.16.7-ckt4-1 | — |
| Debian 12 | linux | 3.16.7-ckt4-1 | — |
| Debian 7 | linux | 3.2.65-1+deb7u1 | DSA-3128-1 |
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 | 3.13.0-46.75 | USN-2516-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-31.41~14.04.1 | USN-2517-1 |
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-kdump +4 | 3.10.0-229.7.2.el7 | RHSA-2015:1137 |
| RHEL 7 | kernel-rt +7 | 3.10.0-229.7.2.rt56.141.6.el7_1 | RHSA-2015:1139 |
| RHEL 7 | perf +13 | 3.10.0-229.7.2.ael7b | RHSA-2015:1137 |
| RHEL 6 | perf +16 | 2.6.32-504.16.2.el6 | RHSA-2015:0864 |
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.rt56.153.el6rt | RHSA-2015:1138 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-68.1.3.el6uek | 0.4.3-4.el6 | ELSA-2015-3032 |
| Oracle Linux 7 | dtrace-modules-3.8.13-68.1.3.el7uek | 0.4.3-4.el7 | ELSA-2015-3032 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-68.1.3.el7uek | ELSA-2015-3032 |
| Oracle Linux 7 | perf +11 | 3.10.0-229.7.2.el7 | ELSA-2015-1137 |
Advisories 9
- RHSA-2015:1138 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1139 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1137 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:0864 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2516-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3128-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2517-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- ELSA-2015-1137 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 23, 2015
- ELSA-2015-3032 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 23, 2015
References
- FEDORA-2015-0517 vendor-advisory
- USN-2515-1 vendor-advisory
- linux-kernel-cve20149529-dos(99641) vdb-entry
- [oss-security] 20150106 CVE-2014-9529 - Linux kernel security/keys/gc.c race condition mailing-list
- USN-2512-1 vendor-advisory
- USN-2514-1 vendor-advisory
- RHSA-2015:1138 vendor-advisory
- USN-2518-1 vendor-advisory
- RHSA-2015:0864 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1179813
- MDVSA-2015:058 vendor-advisory
- 71880 vdb-entry
- FEDORA-2015-0515 vendor-advisory
- 1036763 vdb-entry
- https://github.com/torvalds/linux/commit/a3a8784454692dd72e5d5d34dcdab17b4420e74c
- USN-2517-1 vendor-advisory
- openSUSE-SU-2015:0714 vendor-advisory
- DSA-3128 vendor-advisory
- USN-2516-1 vendor-advisory
- RHSA-2015:1137 vendor-advisory
- USN-2513-1 vendor-advisory
- USN-2511-1 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a3a8784454692dd72e5d5d34dcdab17b4420e74c