Suppressing Partition Scanning to Avoid Deadlocks

CVE-2024-53093

What is CVE-2024-53093?

In the Linux kernel, the following vulnerability has been resolved:

nvme-multipath: defer partition scanning

We need to suppress the partition scan from occuring within the controller's scan_work context. If a path error occurs here, the IO will wait until a path becomes available or all paths are torn down, but that action also occurs within scan_work, so it would deadlock. Defer the partion scan to a different context that does not block scan_work.

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CVE-2024-53093CVE-2024-53094

Multiple Linux Kernel Vulnerabilities In Defer Partition Scanning Patched

The Linux kernel development team has recently addressed two significant vulnerabilities affecting various versions of the Linux operating system.

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