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Vulnerability record · CVE-2016-9555 · published 28 November 2016

CVE-2016-9555: Linux kernel out-of-bounds read vulnerability

Linux · Linux Kernel

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.

9.8 CVSS 3.1 Critical EPSS 9.1% · top 4.8% CWE-125 · Out-of-bounds read
9.8CVSS 3.1 base score, v2 10.0
9.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
46References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6 Issue TrackingPatchVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0086.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0091.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0113.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0307.html Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.8 Release NotesVendor Advisory
http://www.openwall.com/lists/oss-security/2016/11/22/18 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/94479 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037339 Third Party AdvisoryVDB Entry
https://bto.bluecoat.com/security-advisory/sa134 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1397930 Issue TrackingThird Party Advisory
https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6 Issue TrackingPatchThird Party Advisory
https://groups.google.com/forum/#%21topic/syzkaller/pAUcHsUJbjk
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6 Issue TrackingPatchVendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0086.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0091.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0113.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0307.html Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.8 Release NotesVendor Advisory
http://www.openwall.com/lists/oss-security/2016/11/22/18 Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-9555), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.