Security Advisory
CVE-2024-42314
CVE vulnerability detail — eXtreme Datacenter Security Operations
Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when adding pages to compressed bio At add_ra_bio_pages() we are accessing the extent map to calculate add_size after we dropped our reference on the extent map, resulting in a use-after-free. Fix this by computing add_size before dropping our extent map reference.