CVE-2016-9555

Description

The sctp_sf_ootb function in net/sctp/sm_statefuns.c in the Linux kernel before 4.8.8 lacks chunk-length checking for the first chunk, which allows remote attackers to cause a denial of service (out-of-bounds slab access) or possibly have unspecified other impact via crafted SCTP data.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 32.55% Top 5%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html mailing list third party advisory vendor advisory
https://bto.bluecoat.com/security-advisory/sa134 third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html mailing list third party advisory vendor advisory
http://www.securitytracker.com/id/1037339 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html mailing list third party advisory vendor advisory
https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6 issue tracking third party advisory patch
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.8 release notes vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6 issue tracking patch vendor advisory
https://groups.google.com/forum/#%21topic/syzkaller/pAUcHsUJbjk
http://rhn.redhat.com/errata/RHSA-2017-0086.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0113.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0091.html third party advisory vendor advisory
http://www.securityfocus.com/bid/94479 vdb entry third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html mailing list third party advisory vendor advisory
http://www.openwall.com/lists/oss-security/2016/11/22/18 third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html mailing list third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1397930 issue tracking third party advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html mailing list third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html mailing list third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0307.html third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-9555?
CVE-2016-9555 has been scored as a critical severity vulnerability.
How to fix CVE-2016-9555?
To fix CVE-2016-9555, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9555 being actively exploited in the wild?
It is possible that CVE-2016-9555 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~33% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.