CVE-2011-1023

Severity

49%

Complexity

39%

Confidentiality

115%

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.

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.

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C).

Overview

First reported 12 years ago

2012-06-21 23:55:00

Last updated 12 years ago

2012-06-22 04:00:00

Affected Software

Linux Kernel 2.6.37

2.6.37

Linux Kernel 2.6.37 Release Candidate 1

2.6.37

Linux Kernel 2.6.37 Release Candidate 2

2.6.37

Linux Kernel 2.6.37 Release Candidate 3

2.6.37

Linux Kernel 2.6.37 Release Candidate 4

2.6.37

Linux Kernel 2.6.37 Release Candidate 5

2.6.37

Linux Kernel 2.6.37.1

2.6.37.1

Linux Kernel 2.6.37.2

2.6.37.2

Linux Kernel 2.6.37.3

2.6.37.3

Linux Kernel 2.6.37.4

2.6.37.4

Linux Kernel 2.6.37.5

2.6.37.5

Linux Kernel

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

[oss-security] 20110303 CVE-2011-1023 kernel: rds: prevent BUG_ON triggering on congestion map updates

https://bugzilla.redhat.com/show_bug.cgi?id=680345

https://github.com/torvalds/linux/commit/6094628bfd94323fc1cea05ec2c6affd98c18f7f

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