Various NULL pointer dereferences in netfilter code
Published Mar 16, 2007
4.9
MEDIUMCVSS 2.0
EPSS 0.43%
Description
nfnetlink_log in netfilter in the Linux kernel before 2.6.20.3 allows attackers to cause a denial of service (crash) via unspecified vectors involving the (1) nfulnl_recv_config function, (2) using "multiple packets per netlink message", and (3) bridged packets, which trigger a NULL pointer dereference.
Affected products
No data.
- ≤ 2.6.20.2
No data.
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.4.el5
Fixed · RHSA-2007:0347
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.4.el5 | Fixed | RHSA-2007:0347 |
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: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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00426) | 34.55th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00426) | 33.81th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00054) | 13.97th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00072) | 33.14th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.07% (0.00074) | 32.07th | v3 (v2023.03.01) |
| Nov 3, 2023 | 0.07% (0.00072) | 30.05th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00064) | 26.16th | 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 (19)
- http://secunia.com/advisories/24492 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/25228 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25288 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25392 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25961 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/26620 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2007/dsa-1289 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.3 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:171 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2007_43_kernel.html vendor-advisoryx_refsource_SUSE
- http://www.redhat.com/support/errata/RHSA-2007-0347.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/bid/22946 vdb-entryx_refsource_BIDPatchVendor Advisory
- http://www.ubuntu.com/usn/usn-464-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/0944 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-1496 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=238946 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-1496
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9831 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-1496
Change history (0)
No recorded changes yet.