CVE-2012-6538

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.

Category

1.9
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2013/03/05/13 mailing list
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4c87308bdea31a7b4828a51f6156e6f721a1fcc9
https://github.com/torvalds/linux/commit/4c87308bdea31a7b4828a51f6156e6f721a1fcc9
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 patch
http://rhn.redhat.com/errata/RHSA-2013-0744.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-6538?
CVE-2012-6538 has been scored as a low severity vulnerability.
How to fix CVE-2012-6538?
To fix CVE-2012-6538, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-6538 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2012-6538 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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