kernel: NULL pointer dereference in fs/xfs/libxfs/xfs_inode_buf.c
Published Jul 3, 2018
5.5
MEDIUMCVSS 3.0
EPSS 1.53%
Description
An issue was discovered in fs/xfs/libxfs/xfs_inode_buf.c in the Linux kernel through 4.17.3. A denial of service (memory corruption and BUG) can occur for a corrupted xfs image upon encountering an inode that is in extent format, but has more extents than fit in the inode fork.
Affected products
No data.
- ≤ 4.17.3
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-1062.el7
Fixed · RHSA-2019:2029
Red Hat Enterprise Linux 7
kernel-alt-0:4.14.0-115.8.1.el7a
Fixed · RHSA-2019:1350
Red Hat Enterprise Linux 7
kernel-rt-0:3.10.0-1062.rt56.1022.el7
Fixed · RHSA-2019:2043
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Fix deferred
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-1062.el7 | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux 7 | kernel-alt-0:4.14.0-115.8.1.el7a | Fixed | RHSA-2019:1350 |
| Red Hat Enterprise Linux 7 | kernel-rt-0:3.10.0-1062.rt56.1022.el7 | Fixed | RHSA-2019:2043 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Fix deferred | 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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/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 v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.53% (0.01534) | 73.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.54% (0.01540) | 71.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00114) | 27.70th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00178) | 56.32th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.18% (0.00178) | 54.33th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00128) | 45.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.48% (0.01479) | 33.22th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.48% (0.01479) | 0.00th | v1 |
References (10)
- https://access.redhat.com/errata/RHSA-2019:1350 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:2029 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2019:2043 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-13095 Vendor Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=199915 x_refsource_MISCIssue TrackingThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1597775 Issue Tracking
- https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=23fcb3340d033d9f081e21e6c12c2db7eaa541d3 x_refsource_MISCPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/23fcb3340d033d9f081e21e6c12c2db7eaa541d3 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-13095
- https://www.cve.org/CVERecord?id=CVE-2018-13095
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:1350 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2019:2029 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2019:2043 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2018-13095 | Vendor Advisory | |
| https://bugzilla.kernel.org/show_bug.cgi?id=199915 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1597775 | Issue Tracking | |
| https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=23fcb3340d033d9f081e21e6c12c2db7eaa541d3 | x_refsource_MISCPatchThird Party Advisory | |
| https://github.com/torvalds/linux/commit/23fcb3340d033d9f081e21e6c12c2db7eaa541d3 | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-13095 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-13095 |
Change history (0)
No recorded changes yet.