High severity7.5NVD Advisory· Published Nov 27, 2019· Updated Jun 16, 2026

CVE-2011-2480

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeBSD/FreeBSD2 versions
cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:*range: <8.2
- (no CPE)range: <8.2
NetBSD/NetBSD3 versions
cpe:2.3:o:netbsd:netbsd:-:*:*:*:*:*:x86:*+ 2 more
- cpe:2.3:o:netbsd:netbsd:-:*:*:*:*:*:x86:*
- (no CPE)
- (no CPE)range: n/a

Patches

Vulnerability mechanics

References

bugs.debian.org/cgi-bin/bugreport.cginvdThird Party Advisory
bugs.debian.org/cgi-bin/bugreport.cginvdThird Party Advisory
security-tracker.debian.org/tracker/CVE-2011-2480nvdThird Party Advisory
www.openwall.com/lists/oss-security/2011/06/20/15nvdMailing ListThird Party Advisory
access.redhat.com/security/cve/cve-2011-2480nvdBroken Link

News mentions

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exploit	0.000
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