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CVE-2011-2480

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductFreebsd
PublishedNov 27, 2019
First seenNov 27, 2019

How to fix

Update
  • freebsd freebsd8.2 or later

Affected products

ProductAffected versionsFixed in
freebsd freebsdv < 8.28.2
netbsd netbsdNo range specified—

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