kernel: zram: fix potential UAF of zram table

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zrammetaalloc failed early, it frees allocated zram-table without setting it NULL. Which will potentially cause zrammetafree to access the table if user reset an failed and uninitialized...

Astra Linux - Vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential use-after-free UAF in the zram table If zrammetaalloc failed prematurely, it frees the allocated zram-table without setting it to NULL. This could potentially cause zrammetafree to access the table if a user...

SUSE CVE-2025-21671

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zrammetaalloc failed early, it frees allocated zram-table without setting it NULL. Which will potentially cause zrammetafree to access the table if user reset an failed and uninitialized...

DEBIAN-CVE-2025-21671

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zrammetaalloc failed early, it frees allocated zram-table without setting it NULL. Which will potentially cause zrammetafree to access the table if user reset an failed and uninitialized...

UBUNTU-CVE-2025-21671

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zrammetaalloc failed early, it frees allocated zram-table without setting it NULL. Which will potentially cause zrammetafree to access the table if user reset an failed and uninitialized...

CVE-2025-21671

CVE-2025-21671 : In the Linux kernel’s zram subsystem, a path exists where, if zram_meta_alloc fails, the code frees the allocated zram->table without setting it to NULL. This can cause zram_meta_free to access the (now freed) table, i.e., a potential use-after-free on zram table if a device i...

CVE-2025-21671 zram: fix potential UAF of zram table

In the Linux kernel, the following vulnerability has been resolved: zram: fix potential UAF of zram table If zrammetaalloc failed early, it frees allocated zram-table without setting it NULL. Which will potentially cause zrammetafree to access the table if user reset an failed and uninitialized...

PT-2025-4352

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a potential use-after-free UAF in the zram table. If zram meta alloc fails early, it frees the allocated zram-table without setting it to NULL, which can cause zr...