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.

What is CVE-2011-2480?

CVE-2011-2480 is a high-severity vulnerability in Freebsd Freebsd, published on 27 Nov 2019.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2011-2480?

It affects 2 products.

Products include Freebsd Freebsd, Netbsd Netbsd.

How do I fix CVE-2011-2480?

No fix has been published for CVE-2011-2480 yet. Limit exposure of the affected software until one is available.

Is CVE-2011-2480 being exploited?

There is no known exploitation of CVE-2011-2480 in the wild and no public exploit code.

Other vulnerabilities in Freebsd Freebsd

• CVE-2018-17160 Memory corruption in FreeBSD Critical 10.0
• CVE-2014-3954 Memory corruption in n/a Critical 10.0
• CVE-2006-4304 Memory corruption in n/a Critical 10.0
• CVE-2006-0226 Integer overflow in n/a Critical 10.0
• CVE-2004-0002 Denial of service in n/a Critical 10.0

All Freebsd Freebsd vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-44jh-wjf8-4jgx.