### [CVE-2010-2955](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2955) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=%3D%20n%2Fa%20&color=brighgreen) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description The cfg80211_wext_giwessid function in net/wireless/wext-compat.c in the Linux kernel before 2.6.36-rc3-next-20100831 does not properly initialize certain structure members, which allows local users to leverage an off-by-one error in the ioctl_standard_iw_point function in net/wireless/wext-core.c, and obtain potentially sensitive information from kernel heap memory, via vectors involving an SIOCGIWESSID ioctl call that specifies a large buffer size. ### POC #### Reference - http://www.ubuntu.com/usn/USN-1000-1 #### Github - https://github.com/mergebase/usn2json