CVE & CISA-KEV Catalog

CVE-2015-8787

CRITICALEPSS 95th pctl
9.8
CVSS v3
NVD

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available
linuxDebian
Fixed in:4.3.5-1CVE-2015-8787
Fixed in:4.3.5-1CVE-2015-8787
Fixed in:4.3.5-1CVE-2015-8787
Fixed in:4.3.5-1CVE-2015-8787
linux-image-3.19.0-49-genericUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-3.19.0-49-generic-lpaeUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-3.19.0-49-lowlatencyUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-3.19.0-49-powerpc-e500mcUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-3.19.0-49-powerpc-smpUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-3.19.0-49-powerpc64-embUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-3.19.0-49-powerpc64-smpUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-image-4.2.0-27-genericUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-image-4.2.0-27-generic-lpaeUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-image-4.2.0-27-lowlatencyUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-image-4.2.0-27-powerpc-e500mcUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-image-4.2.0-27-powerpc-smpUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-image-4.2.0-27-powerpc64-embUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-image-4.2.0-27-powerpc64-smpUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2
linux-lts-vividUbuntu
Fixed in:3.19.0-49.55~14.04.1USN-2889-2
linux-lts-wilyUbuntu
Fixed in:4.2.0-27.32~14.04.1USN-2890-2

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

9.23%probability of exploitation in 30 days
95thpercentile

High risk: more likely to be exploited than 95% of all known CVEs.

References

Issue Tracking1
Mailing List1
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CVE-2015-8787 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.