Vulnerability CVE-2015-8767

Vulnerability CVE-2015-8767

Published: 2016-02-07 Modified: 2016-02-08

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.

Type:

CWE-362

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score	Impact Subscore	Exploitability Subscore
4.9/10	6.9/10	3.9/10

Exploit range	Attack complexity	Authentication
Local	Low	No required
Confidentiality impact	Integrity impact	Availability impact
None	None	Complete

Affected software
Linux -> Linux kernel
Debian -> Debian linux
Canonical -> Ubuntu linux

References:

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

Vulnerability CVE-2015-8767

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.

CWE-362

CVSS2 => (AV:L/AC:L/Au:N/C:N/I:N/A:C)

4.9/10

6.9/10

3.9/10

Local

Low

No required

None

None

Complete

Affected software

References: