high7.8
CVE-2025-21671
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 z…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 6.1.122 before 6.1.127 from 6.6.68 before 6.6.74 from 6.12.7 before 6.12.11 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/212fe1c0df4a150fb6298db2cfff267ceaba5402
- https://git.kernel.org/stable/c/571d3f6045cd3a6d9f6aec33b678f3ffe97582ef
- https://git.kernel.org/stable/c/902ef8f16d5ca77edc77c30656be54186c1e99b7
- https://git.kernel.org/stable/c/fe3de867f94819ba0f28e035c0b0182150147d95
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html