CVE-2016-9555
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 9.14% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6Issue Tracking, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00073.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00076.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00077.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00087.htmlMailing List, Third Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0086.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0091.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0113.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0307.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.8Release Notes, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/11/22/18Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/94479Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037339Third Party Advisory, VDB Entry
- https://bto.bluecoat.com/security-advisory/sa134Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1397930Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/bf911e985d6bbaa328c20c3e05f4eb03de11fdd6Issue Tracking, Patch, Third Party Advisory
- https://groups.google.com/forum/#%21topic/syzkaller/pAUcHsUJbjk
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bf911e985d6bbaa328c20c3e05f4eb03de11fdd6Issue Tracking, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00044.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00054.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00055.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00056.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00067.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-12/msg00070.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.