MEDIUM
CIFS should honor umask
Published Sep 14, 2007
4.4
MEDIUMCVSS 2.0
EPSS 0.38%
Description
The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.
Affected products
No data.
OR
- ≤ 2.6.21.7
- 2.2.27
- 2.4.36
- 2.4.36.1
- 2.4.36.2
- 2.4.36.3
- 2.4.36.4
- 2.4.36.5
- 2.4.36.6
- 2.6
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.18
- 2.6.19.4
- 2.6.19.5
- 2.6.19.6
- 2.6.19.7
- 2.6.20.16
- 2.6.20.17
- 2.6.20.18
- 2.6.20.19
- 2.6.20.20
- 2.6.20.21
- 2.6.21.5
- 2.6.21.6
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-55.0.12.EL
Fixed · RHSA-2007:0939
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.10.el5
Fixed · RHSA-2007:0705
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-55.0.12.EL | Fixed | RHSA-2007:0939 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.10.el5 | Fixed | RHSA-2007:0705 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1 or 3.
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.
4.4 MEDIUM NVD
AV:L/AC:M/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.38% 0.00380
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00380
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 1, 2026 | 0.38% (0.00380) | 29.60th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00380) | 29.63th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.11% (0.00110) | 27.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00066) | 31.24th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
Weaknesses (1)
References (27)
- http://lists.opensuse.org/opensuse-security-announce/2007-12/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/26760 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/26955 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/26978 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27436 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27747 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/27912 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28806 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/29058 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm x_refsource_CONFIRM
- http://www.debian.org/security/2007/dsa-1378 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2008/dsa-1504 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:008 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:105 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2007-0705.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2007-0939.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/25672 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-518-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2007-3740 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=253314 x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=275881 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36593 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-3740
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9953 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-3740
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Sep 14, 2007
Updated Aug 7, 2024
Reserved Jul 12, 2007
Link CVE-2007-3740
CISA Vulnrichment
Updated n/a