CVE-2026-31686

In the Linux kernel, the following vulnerability has been resolved: mm/kasan: fix double free for kasan pXds kasanfreepxd assumes the page table is always struct page aligned. But that's not always the case for all architectures. E.g. In case of powerpc with 64K pagesize, PUD table of size 4096...

CVE-2026-31686 mm/kasan: fix double free for kasan pXds

In the Linux kernel, the following vulnerability has been resolved: mm/kasan: fix double free for kasan pXds kasanfreepxd assumes the page table is always struct page aligned. But that's not always the case for all architectures. E.g. In case of powerpc with 64K pagesize, PUD table of size 4096...

CVE-2026-31686

In the Linux kernel, the following vulnerability has been resolved: mm/kasan: fix double free for kasan pXds kasanfreepxd assumes the page table is always struct page aligned. But that's not always the case for all architectures. E.g. In case of powerpc with 64K pagesize, PUD table of size 4096...

CVE-2026-31686

CVE-2026-31686 concerns the Linux kernel kasan double-free in kasan_remove_zero_shadow related to kasan_free_pxd() handling of pxd_page() vs start of the pxd table on architectures like PowerPC with 64K pages. The issue arises when the PUD table is not page-aligned, risking double-free during mem...

EUVD-2026-25882

In the Linux kernel, the following vulnerability has been resolved: mm/kasan: fix double free for kasan pXds kasanfreepxd assumes the page table is always struct page aligned. But that's not always the case for all architectures. E.g. In case of powerpc with 64K pagesize, PUD table of size 4096...

PT-2026-35492

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the Linux kernel's KASAN Kernel Address Sanitizer component. The kasan free pxd function incorrectly assumes that the page table is always aligned with stru...