PT-2013-1015 · Linux+4 · Linux Kernel+4

Mathias Krause · Published 2013-03-07 · Updated 2019-04-22 · CVE-2012-6542

Positive Technologies (AI Summary)

CVSS v2.0

1.9

Low

Base vector

AV:L/AC:M/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 is related to the llc ui getname function in the Linux kernel, which has an incorrect return value under certain circumstances. This allows local users to obtain sensitive information from kernel stack memory by leveraging an uninitialized pointer argument in a crafted application.

Recommendations For Linux kernel versions prior to 3.6, update to version 3.6 or later to resolve the issue. As a temporary workaround, consider restricting access to the llc ui getname function until a patch is available.

Fix

RCE

Information Disclosure

Weakness Enumeration

CWE-20

CWE-200

Related Identifiers

ALT-PU-2013-1178

BDU:2014-00075

CESA-2013_1645

CVE-2012-6542

DSA-2668-1

RHSA-2013:0747

RHSA-2013:1645

RHSA-2013_0747

RHSA-2013_1645

SUSE-SU-2015:0652-1

USN-1599-1

USN-1610-1

USN-1648-1

USN-1649-1

USN-1652-1

USN-1805-1

USN-1808-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

References · 28

• https://kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 · Patch
• https://osv.dev/vulnerability/CVE-2012-6542 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2012-6542 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-6542 · Security Note
• https://bdu.fstec.ru/vul/2014-00075 · Security Note
• https://cve.org/CVERecord?id=CVE-2012-6542 · Security Note
• http://ubuntu.com/usn/USN-1805-1 · Vendor Advisory
• http://ubuntu.com/usn/USN-1808-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2012-6542 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-1652-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2012-6542 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2013-2534.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2013-1645.html · Vendor Advisory
• http://rhn.redhat.com/errata/RHSA-2013-1645.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2012-6542 · Vendor Advisory