Kernel: xfrm_user: return error pointer instead of NULL
Published Mar 22, 2013
6.2
MEDIUMCVSS 2.0
EPSS 0.50%
Description
The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.
Affected products
No data.
- ≤ 3.5.6
- 3.5.1
- 3.5.2
- 3.5.3
- 3.5.4
- 3.5.5
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-348.4.1.el5
Fixed · RHSA-2013:0747
Red Hat Enterprise Linux 6
kernel-0:2.6.32-358.6.1.el6
Fixed · RHSA-2013:0744
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-348.4.1.el5 | Fixed | RHSA-2013:0747 |
| Red Hat Enterprise Linux 6 | kernel-0:2.6.32-358.6.1.el6 | Fixed | RHSA-2013:0744 |
| 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 MRG 2. This issue did affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.
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:H/Au:N/C:C/I:C/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.50% (0.00495) | 40.29th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.51% (0.00514) | 39.46th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00100) | 25.39th | 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 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.03% (0.01034) | 41.16th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.28% (0.01282) | 67.60th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.03% (0.01034) | 39.91th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
No CWE recorded.
References (10)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=864745d291b5ba80ea0bd0edcbe67273de368836 x_refsource_CONFIRM
- http://rhn.redhat.com/errata/RHSA-2013-0744.html vendor-advisoryx_refsource_REDHAT
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2013/03/07/2 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-1829-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-1826 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=919384 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2013-1826
- https://www.cve.org/CVERecord?id=CVE-2013-1826
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=864745d291b5ba80ea0bd0edcbe67273de368836 | x_refsource_CONFIRM | |
| http://rhn.redhat.com/errata/RHSA-2013-0744.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2013/03/07/2 | mailing-listx_refsource_MLIST | |
| http://www.ubuntu.com/usn/USN-1829-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2013-1826 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=919384 | x_refsource_CONFIRMIssue Tracking | |
| https://github.com/torvalds/linux/commit/864745d291b5ba80ea0bd0edcbe67273de368836 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-1826 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-1826 |
Change history (0)
No recorded changes yet.