kernel: net: deadloop path in skb_flow_dissect()
Published Nov 4, 2013
7.1
HIGHCVSS 2.0
EPSS 9.41%
Description
The skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of service (infinite loop) via a small value in the IHL field of a packet with IPIP encapsulation.
Affected products
No data.
Configuration 1
- ≥ 3.2 · < 3.2.54
- ≥ 3.3 · < 3.4.70
- ≥ 3.5 · < 3.10.20
- ≥ 3.11 · < 3.11.9
- ≥ 3.12 · < 3.12.1
Configuration 2
- 12.04
- 13.10
No data.
Red Hat Enterprise MRG 2
kernel-rt-0:3.8.13-rt14.25.el6rt
Fixed · RHSA-2013:1490
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-0:3.8.13-rt14.25.el6rt | Fixed | RHSA-2013:1490 |
| 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 does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. Future Linux kernel updates for Red Hat Enterprise Linux MRG 2 might 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:M/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 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 (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.41% (0.09408) | 95.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.41% (0.09408) | 94.76th | v5 (v2026.06.15) |
| Jun 20, 2025 | 4.94% (0.04938) | 89.14th | v4 (v2025.03.14) |
| May 3, 2025 | 6.56% (0.06557) | 90.65th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.94% (0.04938) | 88.64th | v4 (v2025.03.14) |
| Mar 29, 2025 | 10.89% (0.10888) | 88.94th | v4 (v2025.03.14) |
| Mar 28, 2025 | 4.94% (0.04938) | 88.66th | v4 (v2025.03.14) |
| Mar 27, 2025 | 10.89% (0.10888) | 92.35th | v4 (v2025.03.14) |
| Mar 20, 2025 | 4.94% (0.04938) | 88.74th | v4 (v2025.03.14) |
| Mar 19, 2025 | 10.89% (0.10888) | 92.48th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.94% (0.04938) | 88.90th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.50% (0.01503) | 87.47th | v3 (v2023.03.01) |
| Nov 28, 2024 | 1.50% (0.01503) | 87.46th | v3 (v2023.03.01) |
| Nov 3, 2023 | 2.97% (0.02971) | 89.78th | v3 (v2023.03.01) |
| Aug 1, 2023 | 3.22% (0.03222) | 89.89th | v3 (v2023.03.01) |
| Jul 8, 2023 | 2.78% (0.02780) | 89.16th | v3 (v2023.03.01) |
| Jun 17, 2023 | 3.43% (0.03430) | 90.12th | v3 (v2023.03.01) |
| May 20, 2023 | 3.87% (0.03867) | 90.59th | v3 (v2023.03.01) |
| May 1, 2023 | 4.90% (0.04902) | 91.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.27% (0.05267) | 91.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.93% (0.08934) | 93.99th | v2 (v2022.01.01) |
| Feb 13, 2023 | 8.93% (0.08934) | 93.71th | v2 (v2022.01.01) |
| Feb 3, 2023 | 27.21% (0.27206) | 97.11th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.93% (0.08934) | 93.45th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.93% (0.08934) | 82.99th | v2 (v2022.01.01) |
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1490.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.ubuntu.com/usn/USN-2070-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2075-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2013-4348 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1007939 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=6f092343855a71e03b8d209815d8c45bf3a27fcd x_refsource_CONFIRMExploitPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2013-4348
- https://www.cve.org/CVERecord?id=CVE-2013-4348
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html | vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory | |
| http://rhn.redhat.com/errata/RHSA-2013-1490.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-2070-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| http://www.ubuntu.com/usn/USN-2075-1 | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2013-4348 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1007939 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=6f092343855a71e03b8d209815d8c45bf3a27fcd | x_refsource_CONFIRMExploitPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4348 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4348 |
Change history (0)
No recorded changes yet.