security flaw
Published Mar 21, 2006
2.1
LOWCVSS 2.0
EPSS 0.43%
Description
net/ipv4/netfilter/ip_conntrack_core.c in Linux kernel 2.4 and 2.6, and possibly net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c in 2.6, does not clear sockaddr_in.sin_zero before returning IPv4 socket names from the getsockopt function with SO_ORIGINAL_DST, which allows local users to obtain portions of potentially sensitive memory.
Affected products
No data.
- 2.4.0
- 2.6.0
No data.
Red Hat Enterprise Linux 3
kernel-0:2.4.21-47.EL
Fixed · RHSA-2006:0437
Red Hat Enterprise Linux 4
kernel-0:2.6.9-42.EL
Fixed · RHSA-2006:0575
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2006:0579
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
n/a
Fixed · RHSA-2006:0580
Red Hat Enterprise Linux ES version 2.1
n/a
Fixed · RHSA-2006:0579
Red Hat Enterprise Linux WS version 2.1
n/a
Fixed · RHSA-2006:0579
Red Hat Linux Advanced Workstation 2.1
n/a
Fixed · RHSA-2006:0580
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 3 | kernel-0:2.4.21-47.EL | Fixed | RHSA-2006:0437 |
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-42.EL | Fixed | RHSA-2006:0575 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2006:0579 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | n/a | Fixed | RHSA-2006:0580 |
| Red Hat Enterprise Linux ES version 2.1 | n/a | Fixed | RHSA-2006:0579 |
| Red Hat Enterprise Linux WS version 2.1 | n/a | Fixed | RHSA-2006:0579 |
| Red Hat Linux Advanced Workstation 2.1 | n/a | Fixed | RHSA-2006:0580 |
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:L/AC:L/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 2, 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 2, 2026 | 0.43% (0.00431) | 35.01th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.42% (0.00420) | 33.36th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00075) | 20.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 29.96th | v3 (v2023.03.01) |
| May 17, 2023 | 0.07% (0.00066) | 27.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
No CWE recorded.
References (41)
- http://marc.info/?l=linux-netdev&m=114148078223594&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/19357 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/19955 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/20671 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21045 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21136 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21465 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21983 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://secunia.com/advisories/22875 third-party-advisoryx_refsource_SECUNIA
- http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm x_refsource_CONFIRM
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm x_refsource_CONFIRM
- http://www.debian.org/security/2006/dsa-1097 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2006/dsa-1184 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:150 vendor-advisoryx_refsource_MANDRIVA
- http://www.osvdb.org/29841 vdb-entryx_refsource_OSVDB
- http://www.redhat.com/support/errata/RHSA-2006-0437.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2006-0575.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2006-0579.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2006-0580.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/435490/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/451404/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/451417/100/200/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/451419/100/200/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/451426/100/200/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/17203 vdb-entryx_refsource_BID
- http://www.trustix.org/errata/2006/0032/ vendor-advisoryx_refsource_TRUSTIX
- http://www.vmware.com/download/esx/esx-202-200610-patch.html x_refsource_CONFIRM
- http://www.vmware.com/download/esx/esx-213-200610-patch.html x_refsource_CONFIRM
- http://www.vmware.com/download/esx/esx-254-200610-patch.html x_refsource_CONFIRM
- http://www.vupen.com/english/advisories/2006/2071 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2006/4502 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2006-1343 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1618033 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25425 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2006-1343
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10875 vdb-entrysignaturex_refsource_OVAL
- https://usn.ubuntu.com/281-1/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2006-1343
Change history (0)
No recorded changes yet.