kernel: out-of-bounds memcpy in fs/ext4/inline.c:ext4_read_inline_data() with crafted ext4 image
Published May 24, 2018
6.8
MEDIUMCVSS 3.0
EPSS 15.84%
Description
In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.
Affected products
No data.
Configuration 1
- ≥ 4.13 · ≤ 4.16.11
Configuration 2
- 16.04
- 18.04
No data.
Red Hat Enterprise Linux 7
kernel-alt-0:4.14.0-115.6.1.el7a
Fixed · RHSA-2019:0525
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 Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-alt-0:4.14.0-115.6.1.el7a | Fixed | RHSA-2019:0525 |
| 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 Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not 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:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:P
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 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (35 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 15.84% (0.15844) | 96.78th | v5 (v2026.06.15) |
| Sep 22, 2026 | 16.15% (0.16154) | 96.78th | v5 (v2026.06.15) |
| Sep 21, 2026 | 13.27% (0.13267) | 96.27th | v5 (v2026.06.15) |
| Sep 6, 2026 | 16.15% (0.16154) | 96.71th | v5 (v2026.06.15) |
| Sep 5, 2026 | 13.27% (0.13267) | 96.19th | v5 (v2026.06.15) |
| Aug 30, 2026 | 16.15% (0.16154) | 96.69th | v5 (v2026.06.15) |
| Aug 28, 2026 | 13.27% (0.13267) | 96.17th | v5 (v2026.06.15) |
| Aug 24, 2026 | 16.15% (0.16154) | 96.68th | v5 (v2026.06.15) |
| Aug 23, 2026 | 13.27% (0.13267) | 96.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 16.35% (0.16352) | 96.55th | v5 (v2026.06.15) |
| Nov 21, 2025 | 11.20% (0.11201) | 93.20th | v4 (v2025.03.14) |
| Nov 18, 2025 | 5.34% (0.05338) | 89.07th | v4 (v2025.03.14) |
| Nov 9, 2025 | 11.20% (0.11201) | 93.18th | v4 (v2025.03.14) |
| Oct 12, 2025 | 14.48% (0.14482) | 94.12th | v4 (v2025.03.14) |
| May 24, 2025 | 11.51% (0.11514) | 93.23th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.95% (0.14948) | 93.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 37.22% (0.37218) | 95.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.95% (0.14948) | 94.04th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.11% (0.03111) | 91.42th | v3 (v2023.03.01) |
| Oct 15, 2023 | 3.11% (0.03111) | 89.93th | v3 (v2023.03.01) |
| Sep 2, 2023 | 3.16% (0.03161) | 89.87th | v3 (v2023.03.01) |
| Jul 8, 2023 | 3.17% (0.03175) | 89.78th | v3 (v2023.03.01) |
| Jun 22, 2023 | 2.62% (0.02623) | 88.83th | v3 (v2023.03.01) |
| Jun 5, 2023 | 3.24% (0.03240) | 89.83th | v3 (v2023.03.01) |
| May 18, 2023 | 3.30% (0.03296) | 89.89th | v3 (v2023.03.01) |
| May 3, 2023 | 3.29% (0.03289) | 89.86th | v3 (v2023.03.01) |
| Apr 15, 2023 | 2.93% (0.02934) | 89.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.75% (0.02751) | 88.92th | v3 (v2023.03.01) |
| Mar 6, 2023 | 10.80% (0.10800) | 94.68th | v2 (v2022.01.01) |
| Apr 1, 2022 | 10.80% (0.10800) | 94.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 10.80% (0.10800) | 87.78th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.85% (0.07855) | 85.01th | v1 |
| Jan 6, 2022 | 7.85% (0.07855) | 84.84th | v1 |
| Sep 1, 2021 | 7.85% (0.07855) | 92.31th | v1 |
| Apr 14, 2021 | 7.85% (0.07855) | 0.00th | v1 |
References (12)
- http://www.securityfocus.com/bid/104291 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:0525 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2018-11412 Vendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1580 x_refsource_MISCExploitThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199803 x_refsource_MISCExploitIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1582358 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-11412
- https://usn.ubuntu.com/3752-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3752-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3752-3/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-11412
- https://www.exploit-db.com/exploits/44832/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
Change history (0)
No recorded changes yet.