kernel: ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files
Published Sep 8, 2010
5.5
MEDIUMCVSS 3.1
EPSS 0.38%
Description
The mext_check_arguments function in fs/ext4/move_extent.c in the Linux kernel before 2.6.35 allows local users to overwrite an append-only file via a MOVE_EXT ioctl call that specifies this file as a donor.
Affected products
No data.
Configuration 1
- < 2.6.35
Configuration 3
- 6.06
- 8.04
- 9.04
- 9.10
- 10.04
- 10.10
Configuration 4
- 11
- 11
- 11
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-194.11.1.el5
Fixed · RHSA-2010:0610
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-194.11.1.el5 | Fixed | RHSA-2010:0610 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG as they did not include support for the Ext4 filesystem. A future kernel update in Red Hat Enterprise Linux 5 will address this issue.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:P/A:N
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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.38% (0.00377) | 29.36th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00377) | 29.29th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00061) | 16.31th | 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 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.28% (0.01282) | 67.79th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.55% (0.01547) | 74.40th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00000.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://secunia.com/advisories/43315 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.35 x_refsource_CONFIRMBroken Link
- http://www.openwall.com/lists/oss-security/2010/06/07/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2010/06/09/1 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0610.html vendor-advisoryx_refsource_REDHATBroken Link
- http://www.securityfocus.com/archive/1/516397/100/0/threaded mailing-listx_refsource_BUGTRAQThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1000-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html x_refsource_CONFIRMPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-2066 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=601006 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2010-2066
- https://www.cve.org/CVERecord?id=CVE-2010-2066
Change history (0)
No recorded changes yet.