CVE-2015-8787
CriticalThe 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.
CVSS 3.1 score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-476CVE-2015-8787 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2015-8787 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Third Party Advisory
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Third Party Advisory
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Third Party Advisory
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Mailing List
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Third Party Advisory
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Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2889-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2889-2Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2890-1Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2890-2Third Party Advisory
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Ubuntu Securityhttp://www.ubuntu.com/usn/USN-2890-3Third Party Advisory
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Issue Tracking
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PatchKernel patch commithttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=94f9cd81436c85d8c3a318ba92e236ede73752fc
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PatchKernel patch commithttps://github.com/torvalds/linux/commit/94f9cd81436c85d8c3a318ba92e236ede73752fc
Frequently asked questions
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What is CVE-2015-8787?
CVE-2015-8787 is a Critical severity Linux kernel vulnerability with a CVSS score of 9.8 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2015-8787 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2015-8787?
CVE-2015-8787 has a CVSS score of 9.8 out of 10, rated Critical severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2015-8787?
No patch is currently available for CVE-2015-8787. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2015-8787 actively exploited?
No — CVE-2015-8787 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →