Description
The driver_override implementation in drivers/base/platform.c in the Linux kernel before 4.12.1 allows local users to gain privileges by leveraging a race condition between a read operation and a store operation that involve different overrides.
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 | 4.11.11-1 | — |
| Debian 13 | linux | 4.11.11-1 | — |
| Debian 12 | linux | 4.11.11-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | 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 | 4.4.0-93.116 | — |
| Ubuntu 16.04 LTS | linux-aws | 4.4.0-1032.41 | — |
| Ubuntu 16.04 LTS | linux-gcp | 4.13.0-1002.5 | — |
| Ubuntu 16.04 LTS | linux-gke | 4.4.0-1028.28 | — |
| Ubuntu 16.04 LTS | linux-hwe | 4.13.0-32.35~16.04.1 | USN-3508-2 |
| Ubuntu 16.04 LTS | linux-raspi2 | 4.4.0-1071.79 | — |
| Ubuntu 16.04 LTS | linux-snapdragon | 4.4.0-1073.78 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux-lts-xenial | 4.4.0-93.116~14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | perf +15 | 4.11.0-44.el7a | RHEA-2017:3163 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.14.2.el7uek | ELSA-2018-4084 |
Advisories 3
- RHEA-2017:3163 Red Hat Enhancement Advisory: new packages: kernel-alt Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-3508-2 linux-hwe vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- ELSA-2018-4084 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Apr 26, 2018
References
- https://source.android.com/security/bulletin/2017-09-01
- https://github.com/torvalds/linux/commit/6265539776a0810b7ce6398c27866ddb9c6bd154
- https://bugzilla.suse.com/show_bug.cgi?id=1057474
- 100651 vdb-entry
- DSA-3981 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6265539776a0810b7ce6398c27866ddb9c6bd154
- https://bugzilla.redhat.com/show_bug.cgi?id=1489078
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.1