Threats tagged 'ghsa-r45r-rr2w-7hc6'

CVE-2026-93817 is a high-severity vulnerability in the Linux kernel related to the perf subsystem. The issue involves improper lifetime management of the addr_filter_ranges data structure, which is used under Read-Copy-Update (RCU) synchronization. The flaw was that addr_filter_ranges was not freed correctly under RCU, potentially leading to use-after-free conditions.