Kernel: cifs: NULL pointer dereference in SMB2_tcon
Published Sep 28, 2014
7.8
HIGHCVSS 2.0
EPSS 3.72%
Description
The SMB2_tcon function in fs/cifs/smb2pdu.c in the Linux kernel before 3.16.3 allows remote CIFS servers to cause a denial of service (NULL pointer dereference and client system crash) or possibly have unspecified other impact by deleting the IPC$ share during resolution of DFS referrals.
Affected products
No data.
Configuration 1
- 7.0
- 7.0
- 7.0
- 7.0
Configuration 2
- ≥ 3.6 · < 3.10.55
- ≥ 3.11 · < 3.12.29
- ≥ 3.13 · < 3.14.19
- ≥ 3.15 · < 3.16.3
Configuration 3
- 12.04
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-123.20.1.el7
Fixed · RHSA-2015:0102
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-123.20.1.el7 | Fixed | RHSA-2015:0102 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | 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 versions of the kernel package as shipped with Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG 2. This issue affects the version of Linux kernel as shipped with Red Hat Enterprise Linux 7. Future kernel updates for Red Hat Enterprise Linux 7 may address this issue.
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:N/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 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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.72% (0.03725) | 89.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.72% (0.03725) | 88.35th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.21% (0.01205) | 77.08th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.34% (0.03342) | 78.63th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.21% (0.01212) | 77.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.76% (0.00762) | 81.84th | v3 (v2023.03.01) |
| May 10, 2024 | 0.76% (0.00762) | 81.05th | v3 (v2023.03.01) |
| Mar 24, 2024 | 0.86% (0.00864) | 81.96th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.03% (0.01028) | 82.11th | v3 (v2023.03.01) |
| May 8, 2023 | 0.73% (0.00727) | 77.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.60% (0.00604) | 75.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (11)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=18f39e7be0121317550d03e267e3ebd4dbfbb3ce x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2015-0102.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.openwall.com/lists/oss-security/2014/09/22/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.securityfocus.com/bid/69867 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-2394-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-7145 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1147522 Issue Tracking
- https://github.com/torvalds/linux/commit/18f39e7be0121317550d03e267e3ebd4dbfbb3ce x_refsource_CONFIRMIssue TrackingPatch
- https://nvd.nist.gov/vuln/detail/CVE-2014-7145
- https://www.cve.org/CVERecord?id=CVE-2014-7145
Change history (0)
No recorded changes yet.