kernel: net: use-after-free during segmentation with zerocopy
Published Mar 24, 2014
2.9
LOWCVSS 2.0
EPSS 0.68%
Description
Use-after-free vulnerability in the skb_segment function in net/core/skbuff.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation.
Affected products
No data.
Configuration 1
- ≥ 3.0 · ≤ 3.13.6
Configuration 2
- 11.4
- 11
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Affected
Red Hat Enterprise Linux 7
kernel
Affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | 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 Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 2. This issue affects the Linux kernel package as shipped with Red Hat Enterprise Linux 6. Red Hat Product Security has rated this issue as having Low security impact. The risks and engineering effort associated with fixing this bug are greater than its security impact. This issue is not currently planned to be addressed in future kernel updates for Red Hat Enterprise Linux 6. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.
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:A/AC:M/Au:N/C:P/I:N/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 1, 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 1, 2026 | 0.68% (0.00675) | 50.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.68% (0.00675) | 47.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.10% (0.00104) | 26.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.14% (0.00139) | 51.02th | v3 (v2023.03.01) |
| Jun 15, 2024 | 0.14% (0.00139) | 49.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.14% (0.00139) | 47.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.18% (0.01183) | 61.76th | v2 (v2022.01.01) |
| Oct 19, 2022 | 1.18% (0.01183) | 60.79th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.18% (0.01183) | 58.77th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.18% (0.01183) | 35.15th | v2 (v2022.01.01) |
References (11)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fd819ecb90cc9b822cd84d3056ddba315d3340f x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/03/10/4 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.spinics.net/lists/netdev/msg274250.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- http://www.spinics.net/lists/netdev/msg274316.html mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-0131 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1074589 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/1fd819ecb90cc9b822cd84d3056ddba315d3340f x_refsource_CONFIRMPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-0131
- https://www.cve.org/CVERecord?id=CVE-2014-0131
Change history (0)
No recorded changes yet.