Description
Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c in the Linux kernel through 4.10.9 allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap 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 | 4.9.25-1 | — |
| Debian 13 | linux | 4.9.25-1 | — |
| Debian 12 | linux | 4.9.25-1 | — |
| Debian 7 | linux | 3.2.88-1 | DLA-922-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-gcp-6.11 +4 | No fix yet | — |
| Ubuntu 22.04 LTS | linux-riscv +2 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-gke +3 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp +4 | No fix yet | — |
| Ubuntu 16.04 LTS | linux | 4.4.0-78.99 | USN-3291-1 |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1017.26 | USN-3291-2 |
| Ubuntu 16.04 LTS | linux-gke | 4.4.0-1013.13 | USN-3291-2 |
| Ubuntu 16.04 LTS | linux-hwe | 4.10.0-32.36~16.04.1 | USN-3361-1 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1055.62 | USN-3291-2 |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1058.62 | USN-3291-2 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-129.178 | USN-3406-1 |
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-78.99~14.04.2 | USN-3291-3 |
| 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 | 3.10.0-693.rt56.617.el7 | RHSA-2017:2077 |
| RHEL 7 | perf +17 | 3.10.0-693.el7 | RHSA-2017:1842 |
| RHEL 6 | perf +16 | 2.6.32-754.el6 | RHSA-2018:1854 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | kernel-docs | 4.4.74-92.29.3 | SUSE-SU-2017:1853-1 |
| SLES 12 SP2 | kernel-syms +3 | 4.4.74-92.29.1 | SUSE-SU-2017:1853-1 |
| SLES 12 SP1 | kernel-docs | 3.12.74-60.64.40.4 | SUSE-SU-2017:1360-1 |
| SLES 12 SP1 | kernel-xen +4 | 3.12.74-60.64.40.1 | SUSE-SU-2017:1360-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.61-52.72.1 | SUSE-SU-2017:1360-1, SUSE-SU-2017:1247-1 |
| SLES 12 | kgraft-patch-SLE12_Update_21 | 1-2.1 | SUSE-SU-2017:1247-1 |
| SLES 11 SP4 | kernel-docs | 3.0.101-100.2 | SUSE-SU-2017:1301-1 |
| SLES 11 SP4 | kernel-ec2 +8 | 3.0.101-100.1 | SUSE-SU-2017:1301-1 |
| SLES 11 SP3 | kernel-ec2 +7 | 3.0.101-0.47.106.5.1 | SUSE-SU-2017:2525-1 |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | kernel-syms +2 | 4.4.74-92.29.1 | SUSE-SU-2017:1853-1 |
| SLES for SAP 12 SP1 | kernel-xen +3 | 3.12.74-60.64.40.1 | SUSE-SU-2017:1360-1 |
| SLES for SAP 12 | kernel-xen +3 | 3.12.61-52.72.1 | SUSE-SU-2017:1247-1 |
| SLES for SAP 12 | kgraft-patch-SLE12_Update_21 | 1-2.1 | SUSE-SU-2017:1247-1 |
| SLES for SAP 11 SP4 | kernel-ec2 +8 | 3.0.101-100.1 | SUSE-SU-2017:1301-1 |
| SLE Real Time 12 SP2 | kernel-rt +3 | 4.4.74-7.10.1 | SUSE-SU-2017:1990-1 |
| SLE Real Time 11 SP4 | kernel-rt +3 | 3.0.101.rt130-69.5.1 | SUSE-SU-2017:2342-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12-SP1_Update_15 +1 | 1-4.1 | SUSE-SU-2017:1853-1, SUSE-SU-2017:1360-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | kernel-ec2 +6 | 3.0.101-0.47.106.5.1 | SUSE-SU-2017:2525-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | dtrace-modules-3.8.13-118.22.1.el6uek | 0.4.5-3.el6 | ELSA-2018-4164 |
| Oracle Linux 7 | dtrace-modules-3.8.13-118.22.1.el7uek | 0.4.5-3.el7 | ELSA-2018-4164 |
| Oracle Linux 7 | kernel-uek +5 | 3.8.13-118.22.1.el7uek | ELSA-2018-4164, ELSA-2018-4161 |
| Oracle Linux 7 | perf +11 | 3.10.0-693.el7 | ELSA-2017-1842 |
Advisories 19
- RHSA-2018:1854 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2077 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1842 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- USN-3361-1 linux-hwe vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- USN-3291-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3406-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-922-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-3291-2 linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-3291-3 linux-lts-xenial vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2017:1247-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:2525-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1853-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1360-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1301-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1990-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- SUSE-SU-2017:2342-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2018-4164 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 10, 2018
- ELSA-2018-4161 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jul 10, 2018
- ELSA-2017-1842 Important: kernel security, bug fix, and enhancement update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 7, 2017
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf01fb9985e8deb25ccf0ea54d916b8871ae0e62
- https://source.android.com/security/bulletin/2017-09-01
- RHSA-2018:1854 vendor-advisory
- 1038503 vdb-entry
- https://github.com/torvalds/linux/commit/cf01fb9985e8deb25ccf0ea54d916b8871ae0e62
- RHSA-2017:2077 vendor-advisory
- RHSA-2017:1842 vendor-advisory
- 97527 vdb-entry