CVE-2025-21671

Summary

CVE-2025-21671 is a vulnerability affecting the Linux kernel that has been addressed. This issue involves the zram module where, under specific conditions, the zram table may not be properly freed if zram_meta_alloc fails early. This can potentially result in a use-after-free (UAF) situation, leading to unpredictable behavior or potential memory access exploitation if a user resets an uninitialized zram device.

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