PT-2013-2000 · Linux · Linux Kernel

Mathias Krause · Published 2013-03-07 · Updated 2013-03-18 · CVE-2012-6536

Positive Technologies (AI Summary)

CVSS v2.0

2.1

Low

Base vector

AV:L/AC:L/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 3.6

Description The issue allows local users to obtain sensitive information from kernel heap memory. This can be achieved by leveraging the CAP NET ADMIN capability and providing a new or updated state, due to the lack of verification of the actual Netlink message length against a certain header field in the net/xfrm/xfrm user.c file.

Recommendations For Linux kernel versions prior to 3.6, update to version 3.6 or later to resolve the issue.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2012-6536

USN-1644-1

USN-1645-1

USN-1646-1

USN-1647-1

USN-1648-1

USN-1649-1

USN-1652-1

Affected Products

Linux Kernel

References · 20

• https://ubuntu.com/security/notices/USN-1646-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2012-6536 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1652-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-6536 · Security Note
• https://ubuntu.com/security/notices/USN-1648-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1645-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1644-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1647-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2012-6536 · Vendor Advisory
• https://kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-6536 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2012-6536 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1649-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2012-6536 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2012-6536 · Vendor Advisory