kernel: Privilege escalation in eCryptfs subsystem via a large filesystem stack
Published Apr 4, 2017
7.8
HIGHCVSS 3.0
EPSS 1.27%
Description
The eCryptfs subsystem in the Linux kernel before 3.18 allows local users to gain privileges via a large filesystem stack that includes an overlayfs layer, related to fs/ecryptfs/main.c and fs/overlayfs/super.c.
Affected products
No data.
Configuration 1
- ≤ 3.17.8
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
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 | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:N/UI:R/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:N/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.27% (0.01269) | 68.72th | v5 (v2026.06.15) |
| Sep 22, 2026 | 1.27% (0.01269) | 68.50th | v5 (v2026.06.15) |
| Sep 21, 2026 | 2.49% (0.02494) | 83.85th | v5 (v2026.06.15) |
| Sep 6, 2026 | 1.27% (0.01269) | 67.87th | v5 (v2026.06.15) |
| Sep 5, 2026 | 2.49% (0.02494) | 83.50th | v5 (v2026.06.15) |
| Aug 30, 2026 | 1.27% (0.01269) | 67.72th | v5 (v2026.06.15) |
| Aug 28, 2026 | 2.49% (0.02494) | 83.41th | v5 (v2026.06.15) |
| Aug 24, 2026 | 1.27% (0.01269) | 67.55th | v5 (v2026.06.15) |
| Aug 23, 2026 | 2.49% (0.02494) | 83.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.26% (0.01265) | 65.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00073) | 19.69th | 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=69c433ed2ecd2d3264efd7afec4439524b319121 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://source.android.com/security/bulletin/2017-04-01.html x_refsource_CONFIRMPatchThird Party Advisory
- http://www.securityfocus.com/bid/97354 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1038201 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2014-9922 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1439087 Issue Tracking
- https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-9922
- https://www.cve.org/CVERecord?id=CVE-2014-9922
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=69c433ed2ecd2d3264efd7afec4439524b319121 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| http://source.android.com/security/bulletin/2017-04-01.html | x_refsource_CONFIRMPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/97354 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1038201 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2014-9922 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1439087 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/69c433ed2ecd2d3264efd7afec4439524b319121 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-9922 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-9922 |
Change history (0)
No recorded changes yet.