kernel: Missing NULL pointer check in nf_nat_redirect_ipv4
Published Feb 8, 2016
9.8
CRITICALCVSS 3.1
EPSS 9.23%
Description
The nf_nat_redirect_ipv4 function in net/netfilter/nf_nat_redirect.c in the Linux kernel before 4.4 allows remote attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by sending certain IPv4 packets to an incompletely configured interface, a related issue to CVE-2003-1604.
Affected products
No data.
- ≥ 3.19 · < 4.1.31
- ≥ 4.2 · < 4.4
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| 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 |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the code with the flaw is not present in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.23% (0.09235) | 95.21th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.23% (0.09235) | 94.69th | v5 (v2026.06.15) |
| Jul 7, 2025 | 6.37% (0.06368) | 90.53th | v4 (v2025.03.14) |
| Apr 21, 2025 | 9.16% (0.09160) | 92.20th | v4 (v2025.03.14) |
| Mar 30, 2025 | 10.35% (0.10352) | 92.47th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.36% (0.05357) | 83.10th | v4 (v2025.03.14) |
| Mar 19, 2025 | 10.35% (0.10352) | 92.22th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.30% (0.12303) | 93.31th | v4 (v2025.03.14) |
| Dec 17, 2024 | 13.08% (0.13079) | 95.51th | v3 (v2023.03.01) |
| Jul 8, 2023 | 4.68% (0.04676) | 91.47th | v3 (v2023.03.01) |
| May 10, 2023 | 4.53% (0.04527) | 91.25th | v3 (v2023.03.01) |
| May 8, 2023 | 4.03% (0.04026) | 90.75th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.16% (0.04161) | 90.86th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (17)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fc x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/01/27/6 mailing-listx_refsource_MLISTMailing List
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRMThird Party Advisory
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html x_refsource_CONFIRMThird Party Advisory
- http://www.ubuntu.com/usn/USN-2889-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2889-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2890-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2890-2 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- http://www.ubuntu.com/usn/USN-2890-3 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2015-8787 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1300731 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fc x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2015-8787
- https://www.cve.org/CVERecord?id=CVE-2015-8787
Change history (0)
No recorded changes yet.