net/core/ethtool.c in the Linux kernel before 2.6.36 does not initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel heap memory by leveraging the CAP_NET_ADMIN capability for an ethtool ioctl call.
http://openwall.com/lists/oss-security/2011/01/24/9
https://lkml.org/lkml/2010/10/7/297
http://openwall.com/lists/oss-security/2011/01/25/4
http://openwall.com/lists/oss-security/2011/01/25/3
http://openwall.com/lists/oss-security/2011/01/25/5
http://www.securityfocus.com/bid/45972
https://bugzilla.redhat.com/show_bug.cgi?id=672428
http://openwall.com/lists/oss-security/2011/01/28/1
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.36
http://secunia.com/advisories/46397
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
http://www.ubuntu.com/usn/USN-1146-1
http://www.securityfocus.com/archive/1/520102/100/0/threaded
Source: MITRE
Published: 2011-07-18
Updated: 2023-02-13
Type: CWE-665
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM