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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.42%
Third-Party Advisory debian.org Third-Party Advisory debian.org Third-Party Advisory debian.org Third-Party Advisory openwall.com
Affected: FreeBSD, NetBSD FreeBSD
Affected: FreeBSD, NetBSD NetBSD
Published at:
Updated at:

References

Link Tags
https://security-tracker.debian.org/tracker/CVE-2011-2480 third party advisory
https://access.redhat.com/security/cve/cve-2011-2480 broken link
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161 third party advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160 third party advisory
https://www.openwall.com/lists/oss-security/2011/06/20/15 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2011-2480?
CVE-2011-2480 has been scored as a high severity vulnerability.
How to fix CVE-2011-2480?
To fix CVE-2011-2480, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-2480 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2011-2480 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2011-2480?
CVE-2011-2480 affects FreeBSD, NetBSD FreeBSD, FreeBSD, NetBSD NetBSD.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.