kernel: xfs: local DoS due to a page lock order bug in the XFS seek hole/data implementation
Published Oct 16, 2016
5.5
MEDIUMCVSS 3.0
EPSS 0.35%
Description
The XFS subsystem in the Linux kernel through 4.8.2 allows local users to cause a denial of service (fdatasync failure and system hang) by using the vfs syscall group in the trinity program, related to a "page lock order bug in the XFS seek hole/data implementation."
Affected products
No data.
- ≤ 4.8.2
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 MRG-2 as the code with the flaw is not present 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:N/I:N/A:H
AV:L/AC:L/Au:N/C:N/I:N/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.35% (0.00352) | 26.47th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.34% (0.00339) | 25.48th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00110) | 26.95th | 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 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
References (6)
- http://www.openwall.com/lists/oss-security/2016/10/13/8 mailing-listx_refsource_MLISTMailing List
- http://www.securityfocus.com/bid/93558 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-8660 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1384851 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-8660
- https://www.cve.org/CVERecord?id=CVE-2016-8660
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2016/10/13/8 | mailing-listx_refsource_MLISTMailing List | |
| http://www.securityfocus.com/bid/93558 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-8660 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1384851 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-8660 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-8660 |
Change history (0)
No recorded changes yet.