CVE-2012-6538

LOW

Description

The copy_to_user_auth function in net/xfrm/xfrm_user.c in the Linux kernel before 3.6 uses an incorrect C library function for copying a string, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4c87308bdea31a7b4828a51f6156e6f721a1fcc9

http://rhn.redhat.com/errata/RHSA-2013-0744.html

http://www.openwall.com/lists/oss-security/2013/03/05/13

https://github.com/torvalds/linux/commit/4c87308bdea31a7b4828a51f6156e6f721a1fcc9

https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2

Details

Source: MITRE

Published: 2013-03-15

Updated: 2019-04-22

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