kernel: Race condition in driver_override implementation
Published Sep 8, 2017
7.0
HIGHCVSS 3.1
EPSS 0.30%
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.
Affected products
No data.
- ≥ 3.17 · < 3.18.61
- ≥ 3.19 · < 4.1.43
- ≥ 4.2 · < 4.4.77
- ≥ 4.5 · < 4.9.37
- ≥ 4.10 · < 4.11.10
- ≥ 4.12 · < 4.12.1
No data.
Red Hat Enterprise Linux 7
kernel-alt-0:4.11.0-44.el7a
Fixed · RHEA-2017:3163
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-alt-0:4.11.0-44.el7a | Fixed | RHEA-2017:3163 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the code with the flaw is not present in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.30% (0.00296) | 20.12th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.30% (0.00296) | 22.47th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.10% (0.01104) | 54.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01104) | 28.85th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.00% (0.00999) | 27.22th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.00% (0.00999) | 0.00th | v1 |
References (11)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6265539776a0810b7ce6398c27866ddb9c6bd154 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3981 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.12.1 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/100651 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-12146 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1489078 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1057474 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/6265539776a0810b7ce6398c27866ddb9c6bd154 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-12146
- https://source.android.com/security/bulletin/2017-09-01 x_refsource_CONFIRMPatchThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-12146
Change history (0)
No recorded changes yet.