kernel: Incorrect error handling in the set_mempolicy and mbind compat syscalls in mm/mempolicy.c

Incorrect error handling in the setmempolicy and mbind compat syscalls in 'mm/mempolicy.c' in the Linux kernel allows local users to obtain sensitive information from uninitialized stack data by triggering failure of a certain bitmap operation...

CVE-2017-7616

CVE-2017-7616 affects the Linux kernel (mm/mempolicy.c) where incorrect error handling in set_mempolicy/mbind compat syscalls can leak uninitialized stack data to local attackers. The issue is documented across multiple advisories (e.g., Debian, CentOS, Cloud Foundry) and is mitigated by updating...