Information disclosure in Linux Kernel
CVE-2012-6542
The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel before 3.6 has an incorrect return value in certain circumstances, which allows local users to obtain sensitive information from kernel stack memory via a crafted application that leverages an uninitialized pointer argument.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.9 (Low). Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.003 (25.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.000
Affected products
- Linux Kernel — versions 3.0, 3.0.1, 3.0.2
- Red Hat Enterprise Linux — versions 5, 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/torvalds/linux/commit/3592aaeb80290bda0f2cf0b5456c97bfc638b192
- www.ubuntu.com/usn/USN-1805-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2013/03/05/13 (mailing-list)
- www.ubuntu.com/usn/USN-1808-1 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1645.html (vendor-advisory)
- git.kernel.org/
- www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2 (Patch)
Frequently asked questions
- What is CVE-2012-6542?
- CVE-2012-6542 is a vulnerability in Linux Kernel, classified under Information Disclosure. Published 2013-03-15.
- Is CVE-2012-6542 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.