CVE-2011-2480

HIGH

Freebsd < 8.2 - Information Disclosure

Title source: rule

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.

References (5)

[Broken Link] https://access.redhat.com/security/cve/cve-2011-2480

[Third Party Advisory] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160

[Third Party Advisory] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161

[Third Party Advisory] https://security-tracker.debian.org/tracker/CVE-2011-2480

[Mailing List, Third Party Advisory] https://www.openwall.com/lists/oss-security/2011/06/20/15

Scores

CVSS v3 7.5

EPSS 0.0042

EPSS Percentile 61.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-200

Status published

Affected Products (2)

freebsd/freebsd < 8.2

netbsd/netbsd

Timeline

Published Nov 27, 2019

Tracked Since Feb 18, 2026