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CVE-2025-21772

Description

In the Linux kernel, the following vulnerability has been resolved:partitions: mac: fix handling of bogus partition tableFix several issues in partition probing: - The bailout for a bad partoffset must use put_dev_sector(), since the preceding read_part_sector() succeeded. - If the partition table claims a silly sector size like 0xfff bytes (which results in partition table entries straddling sector boundaries), bail out instead of accessing out-of-bounds memory. - We must not assume that the partition table contains proper NUL termination - use strnlen() and strncmp() instead of strlen() and strcmp().

POC

Reference

No PoCs from references.

Github

- https://github.com/w4zu/Debian_security