security flaw
Published Aug 15, 2006
5.4
MEDIUMCVSS 2.0
EPSS 3.44%
Description
Race condition between the kfree_skb and __skb_unlink functions in the socket buffer handling in Linux kernel 2.6.9, and possibly other versions, allows remote attackers to cause a denial of service (crash), as demonstrated using the TCP stress tests from the LTP test suite.
Affected products
No data.
- 2.6.9
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-42.EL
Fixed · RHSA-2006:0575
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-42.EL | Fixed | RHSA-2006:0575 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
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:H/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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.44% (0.03436) | 88.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.26% (0.03263) | 86.72th | v5 (v2026.06.15) |
| Mar 19, 2025 | 1.80% (0.01797) | 80.82th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.37% (0.03373) | 86.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.78% (0.01778) | 88.54th | v3 (v2023.03.01) |
| Feb 25, 2024 | 1.78% (0.01778) | 87.64th | v3 (v2023.03.01) |
| Oct 11, 2023 | 1.45% (0.01446) | 85.14th | v3 (v2023.03.01) |
| Jul 27, 2023 | 1.63% (0.01633) | 85.85th | v3 (v2023.03.01) |
| Jun 19, 2023 | 1.93% (0.01935) | 86.95th | v3 (v2023.03.01) |
| May 12, 2023 | 1.83% (0.01828) | 86.44th | v3 (v2023.03.01) |
| Apr 4, 2023 | 1.92% (0.01920) | 86.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.85% (0.01853) | 86.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.96% (0.01955) | 77.97th | v2 (v2022.01.01) |
| Feb 3, 2023 | 3.41% (0.03407) | 84.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.96% (0.01955) | 55.71th | v2 (v2022.01.01) |
No CWE recorded.
References (16)
- http://secunia.com/advisories/21465 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/22082 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/22093 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/22417 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm x_refsource_CONFIRM
- http://www.debian.org/security/2006/dsa-1183 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2006/dsa-1184 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:025 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2006-0575.html vendor-advisoryx_refsource_REDHATPatch
- http://www.securityfocus.com/bid/19475 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2006-2446 Vendor Advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=192779 x_refsource_MISCPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=1618104 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2006-2446
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9117 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2006-2446
Change history (0)
No recorded changes yet.