CVE-2011-2480: Infoleak
Information Disclosure vulnerability in the 802.11 stack, as used in FreeBSD before 8.2 and NetBSD when using certain non-x86 architectures. A signedness error in the IEEE80211IOCCHANINFO ioctl allows a local unprivileged user to cause the kernel to copy large amounts of kernel memory back to the user, disclosing potentially sensitive information.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2011-2480?
CVE-2011-2480 is an information disclosure vulnerability in the 802.11 stack used in FreeBSD before version 8.2 and NetBSD on certain non-x86 architectures.
How does CVE-2011-2480 impact the affected software?
CVE-2011-2480 allows a local unprivileged user to cause the kernel to copy large amounts of kernel memory back to the user.
What is the severity level of CVE-2011-2480?
CVE-2011-2480 has a severity level of high.
How can I fix CVE-2011-2480?
There are no known fixes for CVE-2011-2480 at this time. It is recommended to upgrade to a version of FreeBSD or NetBSD that is not affected.
Where can I find more information about CVE-2011-2480?
You can find more information about CVE-2011-2480 on the Debian Security Tracker (https://security-tracker.debian.org/tracker/CVE-2011-2480) and the Openwall mailing list archives (https://www.openwall.com/lists/oss-security/2011/06/20/15).