SB2015083105 - Race condition in Linux kernel net netns
Published: August 31, 2015
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2015-3212)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition within the sctp_close(), sctp_setsockopt_auto_asconf(), sctp_init_sock(), sctp_copy_sock() and sctp_sock_migrate() functions in net/sctp/socket.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/torvalds/linux/commit/2d45a02d0166caf2627fe91897c6ffc3b19514c4
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2d45a02d0166caf2627fe91897c6ffc3b19514c4
- https://bugzilla.redhat.com/show_bug.cgi?id=1226442
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/76082
- http://www.debian.org/security/2015/dsa-3329
- http://rhn.redhat.com/errata/RHSA-2015-1787.html
- http://rhn.redhat.com/errata/RHSA-2015-1778.html
- http://www.ubuntu.com/usn/USN-2719-1
- http://www.ubuntu.com/usn/USN-2718-1
- http://www.ubuntu.com/usn/USN-2717-1
- http://www.ubuntu.com/usn/USN-2716-1
- http://www.ubuntu.com/usn/USN-2715-1
- http://www.ubuntu.com/usn/USN-2714-1
- http://www.ubuntu.com/usn/USN-2713-1
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
- http://www.securitytracker.com/id/1033169
- https://support.f5.com/csp/article/K05211147