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CVE-2025-21671

by Fred · 31/01/2025

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

zram: fix potential UAF of zram table

If zram_meta_alloc failed early, it frees allocated zram->table without
setting it NULL. Which will potentially cause zram_meta_free to access
the table if user reset an failed and uninitialized device.

More information : https://git.kernel.org/stable/c/212fe1c0df4a150fb6298db2cfff267ceaba5402

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