PowerPC Linux pgtable-frag Heap Buffer Overflow DoS

The vulnerability of the ptefragDestroy function in the arch/powerpc/mm/pgtable-frag.c module of the Linux operating system’s PowerPC platform is related to the state of the race condition when a shared resource is used. Exploiting this vulnerability could allow an attacker to compromise the...

AZL-90392 CVE-2026-53109 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...