Information disclosure in Linux Kernel
CVE-2012-6548
The udf_encode_fh function in fs/udf/namei.c in the Linux kernel before 3.6 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel heap memory via a crafted application.
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: 0.004 (34.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.7% 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: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 3.0, 3.0.1, 3.0.2
- Red Hat Enterprise Linux — versions 6.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html (vendor-advisory)
- www.ubuntu.com/usn/USN-1812-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1805-1 (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2013-1051.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2013/03/05/13 (mailing-list)
- www.ubuntu.com/usn/USN-1808-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1809-1 (vendor-advisory)
- github.com/torvalds/linux/commit/0143fc5e9f6f5aad4764801015bc8d4b4a278200
- www.ubuntu.com/usn/USN-1814-1 (vendor-advisory)
Frequently asked questions
- What is CVE-2012-6548?
- CVE-2012-6548 is a vulnerability in Linux Kernel, classified under Information Disclosure. Published 2013-03-15.
- Is CVE-2012-6548 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.