CVE-2010-4076

LOW

Description

The rs_ioctl function in drivers/char/amiserial.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d281da7ff6f70efca0553c288bb883e8605b3862

http://lkml.org/lkml/2010/9/15/389

http://www.openwall.com/lists/oss-security/2010/09/25/2

http://www.openwall.com/lists/oss-security/2010/10/06/6

http://www.openwall.com/lists/oss-security/2010/10/07/1

http://www.openwall.com/lists/oss-security/2010/10/25/3

https://bugzilla.redhat.com/show_bug.cgi?id=648661

Details

Source: MITRE

Published: 2010-11-29

Updated: 2012-03-19

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 1.9

Vector: (AV:L/AC:M/Au:N/C:P/I:N/A:N)

Impact Score: 2.9

Exploitability Score: 3.4

Severity: LOW