CVE-2015-8767 Information

Description

net/sctp/sm_sideeffect.c in the Linux kernel before 4.3 does not properly manage the relationship between a lock and a socket which allows local users to cause a denial of service (deadlock) via a crafted sctp_accept call.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=635682a14427d241bab7bbdeebb48a7d7b91638e http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html http://rhn.redhat.com/errata/RHSA-2016-0715.html http://www.debian.org/security/2016/dsa-3448 http://www.debian.org/security/2016/dsa-3503 http://www.openwall.com/lists/oss-security/2016/01/11/4 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html http://www.securityfocus.com/bid/80268 http://www.ubuntu.com/usn/USN-2930-1 http://www.ubuntu.com/usn/USN-2930-2 http://www.ubuntu.com/usn/USN-2930-3 http://www.ubuntu.com/usn/USN-2931-1 http://www.ubuntu.com/usn/USN-2932-1 http://www.ubuntu.com/usn/USN-2967-1 http://www.ubuntu.com/usn/USN-2967-2 https://access.redhat.com/errata/RHSA-2016:1277 https://access.redhat.com/errata/RHSA-2016:1301 https://access.redhat.com/errata/RHSA-2016:1341 https://bugzilla.redhat.com/show_bug.cgi?id=1297389 https://github.com/torvalds/linux/commit/635682a14427d241bab7bbdeebb48a7d7b91638e

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.2