The vulnerability of the setup_clusters() function in the mm/swapfile.c component of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the setupclusters function in the mm/swapfile.c component of the Linux kernel involves copying buffers without checking the input data. Exploiting this vulnerability allows an attacker to cause a service failure...

CVE-2025-39727: Buffer Copy without Checking Size of Input

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix potential buffer overflow in setupclusters In setupswapmap, we only ensure badpages are in range 0, lastpage. As maxpages might be = maxpages. Only call incclusterinfopage for badpage which is maxpages to fix the...