kernel: net: inet frag code race condition leading to user-after-free
Published Mar 11, 2014
9.3
HIGHCVSS 2.0
EPSS 2.99%
Description
Race condition in the inet_frag_intern function in net/ipv4/inet_fragment.c in the Linux kernel through 3.13.6 allows remote attackers to cause a denial of service (use-after-free error) or possibly have unspecified other impact via a large series of fragmented ICMP Echo Request packets to a system with a heavy CPU load.
Affected products
No data.
- ≥ 3.9 · < 3.10.37
- ≥ 3.11 · < 3.12.18
- ≥ 3.13 · < 3.13.10
No data.
Red Hat Enterprise MRG 2
kernel-rt-0:3.10.33-rt32.34.el6rt
Fixed · RHSA-2014:0557
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise MRG 2 | kernel-rt-0:3.10.33-rt32.34.el6rt | Fixed | RHSA-2014:0557 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of Linux kernel package as shipped with Red Hat Enterprise Linux 5 and 6 as they did not backport the commit that introduced 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:M/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 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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.99% (0.02985) | 86.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.96% (0.02960) | 85.38th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.50% (0.00496) | 62.99th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.15% (0.02153) | 73.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.50% (0.00496) | 63.72th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.56% (0.00561) | 78.42th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.56% (0.00561) | 76.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.56% (0.00561) | 74.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.14% (0.01136) | 58.87th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.02% (0.01018) | 39.95th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
References (6)
- http://patchwork.ozlabs.org/patch/325844/ x_refsource_MISCPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2014/03/04/4 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-0100 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1070618 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-0100
- https://www.cve.org/CVERecord?id=CVE-2014-0100
| Link | Providers | Tags |
|---|---|---|
| http://patchwork.ozlabs.org/patch/325844/ | x_refsource_MISCPatchThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2014/03/04/4 | mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2014-0100 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1070618 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-0100 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-0100 |
Change history (0)
No recorded changes yet.