Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bootmem: The vmemmap pages are removed from kmemleak when freeing the page. These pages were previously marked as part of kmemleak when allocated from a memblock. Removing them from kmemleak ensures that errors related to thes...

The vulnerability of the put_page_bootmem() function in the mm/bootmem_info.c file of the Linux kernel’s memory management subsystem allows a hacker to cause a service failure.

The vulnerability of the putpagebootmem function in the mm/bootmeminfo.c file of the Linux kernel’s memory management subsystem is related to improper memory release memory leak. Exploiting this vulnerability could allow a remote attacker to cause a system failure...

kernel: bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem

In the Linux kernel, the following vulnerability has been resolved: bootmem: remove the vmemmap pages from kmemleak in putpagebootmem The vmemmap pages is marked by kmemleak when allocated from memblock. Remove it from kmemleak when freeing the page. Otherwise, when we reuse the page, kmemleak ma...