CVE-2011-2480

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 IEEE80211_IOC_CHANINFO 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.

• CWE-200

• https://access.redhat.com/security/cve/cve-2011-2480Broken Link
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160Third Party Advisory
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161Third Party Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-2480Third Party Advisory
• https://www.openwall.com/lists/oss-security/2011/06/20/15Mailing List, Third Party Advisory
• https://access.redhat.com/security/cve/cve-2011-2480Broken Link
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160Third Party Advisory
• https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161Third Party Advisory
• https://security-tracker.debian.org/tracker/CVE-2011-2480Third Party Advisory
• https://www.openwall.com/lists/oss-security/2011/06/20/15Mailing List, Third Party Advisory

Published

Nov 27, 2019

Last Modified

Jun 16, 2026

Status

Modified

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