CVE-2012-6536

medium

Description

net/xfrm/xfrm_user.c in the Linux kernel before 3.6 does not verify that the actual Netlink message length is consistent with a certain header field, which allows local users to obtain sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability and providing a (1) new or (2) updated state.

References

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

https://github.com/torvalds/linux/commit/ecd7918745234e423dd87fcc0c077da557909720

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

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ecd7918745234e423dd87fcc0c077da557909720

Details

Source: Mitre, NVD

Published: 2013-03-15

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00056