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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FreeBSD, NetBSD | FreeBSD | before 8.2 | — |
| FreeBSD, NetBSD | NetBSD | — | — |
References
- https://security-tracker.debian.org/tracker/CVE-2011-2480
- https://access.redhat.com/security/cve/cve-2011-2480
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631161
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=631160
- [oss-security] 20110620 Re: CVE request: FreeBSD/NetBSD 802.11 kernel memory disclosure mailing-list