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1.0 KiB
CVE-2019-25044
Description
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.
POC
Reference
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3e2219216c92919a6bd1711f340f5faa98695e6
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3e2219216c92919a6bd1711f340f5faa98695e6
Github
No PoCs found on GitHub currently.