CVE-2011-1023

MEDIUM

Description

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.

References

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6094628bfd94323fc1cea05ec2c6affd98c18f7f

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

Details

Source: MITRE

Published: 2012-06-21

Updated: 2012-06-22

Risk Information

CVSS v2.0

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