kernel: Local privileges escalation via crafted F_OFD_GETLK/F_OFD_SETLK/F_OFD_SETLKW commands
Published Dec 8, 2016
7.8
HIGHCVSS 3.0
EPSS 0.54%
Description
arch/arm/kernel/sys_oabi-compat.c in the Linux kernel before 4.4 allows local users to gain privileges via a crafted (1) F_OFD_GETLK, (2) F_OFD_SETLK, or (3) F_OFD_SETLKW command in an fcntl64 system call.
Affected products
No data.
- ≤ 4.3.6
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 affect 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 built in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/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 3, 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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.54% (0.00537) | 43.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.53% (0.00535) | 40.68th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.18% (0.00182) | 37.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
References (8)
- http://source.android.com/security/bulletin/2016-12-01.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/94673 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2015-8966 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1403817 Issue Tracking
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=76cc404bfdc0d419c720de4daaf2584542734f42 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://github.com/torvalds/linux/commit/76cc404bfdc0d419c720de4daaf2584542734f42 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8966
- https://www.cve.org/CVERecord?id=CVE-2015-8966
| Link | Providers | Tags |
|---|---|---|
| http://source.android.com/security/bulletin/2016-12-01.html | x_refsource_CONFIRMThird Party Advisory | |
| http://www.securityfocus.com/bid/94673 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2015-8966 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1403817 | Issue Tracking | |
| https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=76cc404bfdc0d419c720de4daaf2584542734f42 | x_refsource_CONFIRMIssue TrackingPatchVendor Advisory | |
| https://github.com/torvalds/linux/commit/76cc404bfdc0d419c720de4daaf2584542734f42 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-8966 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-8966 |
Change history (0)
No recorded changes yet.