The block subsystem in the Linux kernel before 5.2 has a use-after-free that can lead to arbitrary code execution in the kernel context and privilege escalation, aka CID-c3e2219216c9. This is related to blk_mq_free_rqs and blk_cleanup_queue.
Product | Vendor | Version |
---|---|---|
n/a | n/a | Nextcloud Enterprise Server >= 24.0.0.0, < 24.0.12.2 |