kernel: cifs: skip posix open if nameidata is null
Published Apr 12, 2010
4.7
MEDIUMCVSS 2.0
EPSS 0.54%
Description
The cifs_create function in fs/cifs/dir.c in the Linux kernel 2.6.33.2 and earlier allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact via a NULL nameidata (aka nd) field in a POSIX file-creation request to a server that supports UNIX extensions.
Affected products
No data.
- ≤ 2.6.33.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, 5 and Red Hat Enterprise MRG as they did not include support for POSIX opens on lookup.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/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 3, 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 3, 2026 | 0.54% (0.00538) | 43.35th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.54% (0.00538) | 40.84th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00063) | 17.04th | 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) |
References (15)
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005741.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005742.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005746.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://lists.samba.org/archive/linux-cifs-client/2010-April/005757.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://marc.info/?l=oss-security&m=127045754521927&w=2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://marc.info/?l=oss-security&m=127045779122119&w=2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://openwall.com/lists/oss-security/2010/04/06/2 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://secunia.com/advisories/39344 third-party-advisoryx_refsource_SECUNIABroken Link
- http://www.securityfocus.com/bid/39186 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://xorl.wordpress.com/2010/04/05/linux-kernel-unix-extensions-cifs-null-pointer-dereference/ x_refsource_MISCExploitThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2010-1148 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=579445 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/57561 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2010-1148
- https://www.cve.org/CVERecord?id=CVE-2010-1148
Change history (0)
No recorded changes yet.