CVE-2015-8787

Name: CVE-2015-8787
Creator: NVD / NIST
Published: 2016-02-08T03:59:08.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 9.23%

Last modified Jun 17, 2026

CVE-2015-8787 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 9.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

9.23%

94.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 3.19, < 4.1.31
Linux	Linux Kernel	>= 4.2, < 4.4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fcIssue Tracking, Patch, Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/27/6Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory
http://www.ubuntu.com/usn/USN-2889-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2889-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2890-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2890-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2890-3Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1300731Issue Tracking
https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fcIssue Tracking, Patch, Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fcIssue Tracking, Patch, Vendor Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.htmlThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.htmlThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/27/6Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory
http://www.ubuntu.com/usn/USN-2889-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2889-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2890-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2890-2Third Party Advisory
http://www.ubuntu.com/usn/USN-2890-3Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1300731Issue Tracking
https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fcIssue Tracking, Patch, Third Party Advisory

Timeline

Published: Feb 8, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-8787?

How severe is CVE-2015-8787?

CVE-2015-8787 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 9.23% probability of exploitation in the next 30 days.

How do I fix CVE-2015-8787?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-8787?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST