kernel: Use-after-free in the regulator_ena_gpio_free function
Published May 2, 2017
7.0
HIGHCVSS 3.1
EPSS 1.62%
Description
The regulator_ena_gpio_free function in drivers/regulator/core.c in the Linux kernel before 3.19 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted application.
Affected products
No data.
Configuration 1
- > 3.10 · < 3.16.45
- ≥ 3.17 · < 3.18.52
- 3.10
- 3.10
- 3.10
- 3.10
- 3.10
- 3.10
- 3.10
- 3.10
No data.
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 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 affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2, as the code with the flaw is not present or is not built and so is not shipped in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/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:N/AC:H/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.62% (0.01618) | 75.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.60% (0.01598) | 72.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00180) | 37.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00081) | 36.57th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.08% (0.00081) | 35.01th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00081) | 33.00th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3945 vendor-advisoryx_refsource_DEBIANThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/98195 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2014-9940 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1449558 Issue Tracking
- https://github.com/torvalds/linux/commit/60a2362f769cf549dc466134efe71c8bf9fbaaba x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-9940
- https://source.android.com/security/bulletin/2017-05-01 x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2014-9940
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=60a2362f769cf549dc466134efe71c8bf9fbaaba | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| http://www.debian.org/security/2017/dsa-3945 | vendor-advisoryx_refsource_DEBIANThird Party AdvisoryVDB Entry | |
| http://www.securityfocus.com/bid/98195 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2014-9940 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1449558 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/60a2362f769cf549dc466134efe71c8bf9fbaaba | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-9940 | ||
| https://source.android.com/security/bulletin/2017-05-01 | x_refsource_CONFIRMVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2014-9940 |
Change history (0)
No recorded changes yet.