The following table lists the changes that have been made to the
CVE-2025-21671 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.
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New CVE Received
by 416baaa9-dc9f-4396-8d5f-8c081fb06d67Jan. 31, 2025
Action Type Old Value New Value Added Description 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.Added Reference https://git.kernel.org/stable/c/212fe1c0df4a150fb6298db2cfff267ceaba5402 Added Reference https://git.kernel.org/stable/c/571d3f6045cd3a6d9f6aec33b678f3ffe97582ef Added Reference https://git.kernel.org/stable/c/902ef8f16d5ca77edc77c30656be54186c1e99b7 Added Reference https://git.kernel.org/stable/c/fe3de867f94819ba0f28e035c0b0182150147d95