### [CVE-2011-4081](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4081) ![](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 crypto/ghash-generic.c in the Linux kernel before 3.1 allows local users to cause a denial of service (NULL pointer dereference and OOPS) or possibly have unspecified other impact by triggering a failed or missing ghash_setkey function call, followed by a (1) ghash_update function call or (2) ghash_final function call, as demonstrated by a write operation on an AF_ALG socket. ### POC #### Reference - http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1 #### Github No PoCs found on GitHub currently.