CVE-2015-8787

moderate-risk
Published 2016-02-08

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.

Do I need to act?

~
5.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (28)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.h...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.h...
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
Mailing List http://www.openwall.com/lists/oss-security/2016/01/27/6
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
Third Party Advisory http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htm...
Third Party Advisory http://www.ubuntu.com/usn/USN-2889-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2889-2
Third Party Advisory http://www.ubuntu.com/usn/USN-2890-1
Third Party Advisory http://www.ubuntu.com/usn/USN-2890-2
Third Party Advisory http://www.ubuntu.com/usn/USN-2890-3
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1300731
Issue Tracking https://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752f...
Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.h...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.h...
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
Mailing List http://www.openwall.com/lists/oss-security/2016/01/27/6
Third Party Advisory http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h...
and 8 more references
46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 9/34 · Low
Exposure 5/34 · Minimal