The Reliable Datagram Sockets (RDS) subsystem in the Linux kernel before 2.6.38 does not properly handle congestion map updates, which allows local users to cause a denial of service (BUG_ON and system crash) via vectors involving (1) a loopback (aka loop) transmit operation or (2) an InfiniBand (aka ib) transmit operation.
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38
http://www.openwall.com/lists/oss-security/2011/03/03/2
https://bugzilla.redhat.com/show_bug.cgi?id=680345
https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7f
Source: MITRE
Published: 2012-06-21
Updated: 2012-06-22
Type: NVD-CWE-Other
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM